Message

It had a lot of good stuff in it. <= /DIV>

I=20 would be very interested in building a GM based

test=20 bench. Thanks =20 Don = &nb= sp; = &nb= sp; = &nb= sp; = &nb= sp; =20

-----Original Message-----
From: K DANIEL=20 [mailto:kml_daniel at yahoo.com]
Sent: Monday, November 01, 2004 3= :24=20 AM
To: A list for Do-It-Yourself EFI
Subject: Re:=20 [Diy_efi] ECU Tester

Scott Pearson <mrcad472 at iowatelecom.net>= wrote:=20

Someone correct me if I'm wrong here, but this sounds like a great i= dea=20 for
an ECM bench.

I'd be more than happy to help with the GM= side, drop me a line offlist and
we'll chat about it. Might be a t= opic=20 that's better moved or cc'd to the
gm_ecm=20 list.

Scott
mrcad472 at iowatelecom.net

You are right= ..=20 It is an ECM bench you can test any ECM if you know it's pinout

K Daniel

Do you Yahoo!?
Yahoo!=20 Mail Address AutoComplete - You start. We finish.

don.broadus at exeloncorp.com wrote:

Does anyone know what happened to Bruce Plecan's test bench article ?

It had a lot of good stuff in it.

I would be very interested in building a GM based

test bench.    Thanks Don

I can help you in building GM ECU's based test bench

K Daniel

Do you Yahoo!?
Y! Messenger - Communicate in real time. Download now. --0-939529465-1099319296=:98679-- --===============17245883070618317== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --===============17245883070618317==-- From kml_daniel at yahoo.com Mon Nov 1 14:37:51 2004 From: kml_daniel at yahoo.com (K DANIEL) Date: Mon, 01 Nov 2004 11:37:51 -0300 Subject: [Diy_efi] ECU Tester Message-ID: --===============029888698304734618== Content-Type: multipart/alternative; boundary="0-1650034770-1099319308=:7492" --0-1650034770-1099319308=:7492 Content-Type: text/plain; charset=us-ascii don.broadus at exeloncorp.com wrote:Does anyone know what happened to Bruce Plecan's test bench article ? It had a lot of good stuff in it. I would be very interested in building a GM based test bench. Thanks Don I can help you in building GM ECU's based test bench K Daniel __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com --0-1650034770-1099319308=:7492 Content-Type: text/html; charset=us-ascii

don.broadus at exeloncorp.com wrote:

Does anyone know what happened to Bruce Plecan's test bench article ?

It had a lot of good stuff in it.

I would be very interested in building a GM based

test bench.    Thanks Don

I can help you in building GM ECU's based test bench

K Daniel

__________________________________________________
Do You Yahoo!?
Tired of spam? Yahoo! Mail has the best spam protection around
http://mail.yahoo.com --0-1650034770-1099319308=:7492-- --===============029888698304734618== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --===============029888698304734618==-- From don.broadus at exeloncorp.com Mon Nov 1 14:55:38 2004 From: don.broadus at exeloncorp.com (don.broadus at exeloncorp.com) Date: Mon, 01 Nov 2004 11:55:38 -0300 Subject: [Diy_efi] ECU Tester Message-ID: This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. --===============81563241438373413== Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C4C020.F038AB8E" This message is in MIME format. Since your mail reader does not understand this format, some or all of this message may not be legible. ------_=_NextPart_001_01C4C020.F038AB8E Content-Type: text/plain; charset="iso-8859-1" Thanks . I would appreciate the help. working on a 1227730 5.0 L project right now. Don -----Original Message----- From: K DANIEL [mailto:kml_daniel at yahoo.com] Sent: Monday, November 01, 2004 8:28 AM To: A list for Do-It-Yourself EFI Subject: RE: [Diy_efi] ECU Tester don.broadus at exeloncorp.com wrote: Does anyone know what happened to Bruce Plecan's test bench article ? It had a lot of good stuff in it. I would be very interested in building a GM based test bench. Thanks Don I can help you in building GM ECU's based test bench K Daniel __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com ************************************************************************ This e-mail and any of its attachments may contain Exelon Corporation proprietary information, which is privileged, confidential, or subject to copyright belonging to the Exelon Corporation family of Companies. This e-mail is intended solely for the use of the individual or entity to which it is addressed. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution, copying, or action taken in relation to the contents of and attachments to this e-mail is strictly prohibited and may be unlawful. If you have received this e-mail in error, please notify the sender immediately and permanently delete the original and any copy of this e-mail and any printout. Thank You. ************************************************************************ ------_=_NextPart_001_01C4C020.F038AB8E Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Thanks . I would appreciate the help. working on a=20 1227730 5.0 L project right now.

= &nb= sp; = &nb= sp; = &nb= sp; = =20 Don

-----Original Message-----
From: K DANIEL=20 [mailto:kml_daniel at yahoo.com]
Sent: Monday, November 01, 2004 8= :28=20 AM
To: A list for Do-It-Yourself EFI
Subject: RE:=20 [Diy_efi] ECU Tester

don.broadus at exeloncorp.com wrote:=20

Does=20 anyone know what happened to Bruce Plecan's test bench article=20 ?

It=20 had a lot of good stuff in it.

I would=20 be very interested in building a GM based
test=20 bench.    Thanks =20 Don           &n= bsp;            = ;            &n= bsp;            = ;            &n= bsp;            = ;            &n= bsp;            = ;            =

I can help = you in=20 building GM ECU's based test bench

K=20 Daniel

__________________________________________________
Do You=20 Yahoo!?
Tired of spam? Yahoo! Mail has the best spam protection around=
http://mail.yahoo.com

************************************************************************
This e-mail and any of its attachments may contain Exelon Corporation
proprietary information, which is privileged, confidential, or subject
to copyright belonging to the Exelon Corporation family of Companies.
This e-mail is intended solely for the use of the individual or entity
to which it is addressed. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution,
copying, or action taken in relation to the contents of and attachments
to this e-mail is strictly prohibited and may be unlawful. If you have
received this e-mail in error, please notify the sender immediately and
permanently delete the original and any copy of this e-mail and any
printout. Thank You.
************************************************************************
------_=_NextPart_001_01C4C020.F038AB8E-- --===============81563241438373413== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --===============81563241438373413==-- From raymond at iwantperformance.net Tue Nov 2 00:26:43 2004 From: raymond at iwantperformance.net (Raymond Brantley) Date: Mon, 01 Nov 2004 21:26:43 -0300 Subject: [Diy_efi] ECU Tester Message-ID: I think this would be very helpful to us Ford EEC folks. How could I help ? Thanks, Raymond -----Original Message----- From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] On Behalf Of K DANIEL Sent: Saturday, October 30, 2004 7:49 AM To: diy_efi at diy-efi.org Subject: [Diy_efi] ECU Tester Hello I'm new member to DIY-EFI .. I'm engineer I have designed an engine simulator for testing engine ECU's the simulator generate all the sensors signals required operate the ECU under test I'm using LABview software to monitor and control the ECU operation By now most of the BOSCH MOTRONIC ECU's can be tested...I'm now preparing the simulator For testing SIMTEC and GM ecru's but the information on SIMTEC and GM ECU is very rare... any one can help with the pinout or schematics of SIMTEC and GM ECU's K Daniel ________________________________ Do you Yahoo!? Yahoo! Mail Address AutoComplete - You start. We finish. _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From kml_daniel at yahoo.com Tue Nov 2 15:40:41 2004 From: kml_daniel at yahoo.com (K DANIEL) Date: Tue, 02 Nov 2004 12:40:41 -0300 Subject: [Diy_efi] ECU Tester Message-ID: --===============59950668025185561== Content-Type: multipart/alternative; boundary="0-910720795-1099409806=:92511" --0-910720795-1099409806=:92511 Content-Type: text/plain; charset=us-ascii Raymond Brantley wrote: I think this would be very helpful to us Ford EEC folks. How could I help ? Thanks, Raymond Hi Raymond You can help me by sending me schematics or pinout of GM ECM's so I can add them to the simulator.. K Daniel -----Original Message----- From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] On Behalf Of K DANIEL Sent: Saturday, October 30, 2004 7:49 AM To: diy_efi at diy-efi.org Subject: [Diy_efi] ECU Tester Hello I'm new member to DIY-EFI .. I'm engineer I have designed an engine simulator for testing engine ECU's the simulator generate all the sensors signals required operate the ECU under test I'm using LABview software to monitor and control the ECU operation By now most of the BOSCH MOTRONIC ECU's can be tested...I'm now preparing the simulator For testing SIMTEC and GM ecru's but the information on SIMTEC and GM ECU is very rare... any one can help with the pinout or schematics of SIMTEC and GM ECU's K Daniel ________________________________ Do you Yahoo!? Yahoo! Mail Address AutoComplete w_mail/static/ease.html> - You start. We finish. _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --------------------------------- Do you Yahoo!? Check out the new Yahoo! Front Page. www.yahoo.com/a --0-910720795-1099409806=:92511 Content-Type: text/html; charset=us-ascii

Raymond Brantley <raymond at iwantperformance.net> wrote:

I think this would be very helpful to us Ford EEC folks. How could I help ?

Thanks,
Raymond

Hi Raymond

You can help me by sending me schematics or pinout of GM ECM's so I can add them to the simulator..

K Daniel

-----Original Message-----
From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] On
Behalf Of K DANIEL
Sent: Saturday, October 30, 2004 7:49 AM
To: diy_efi at diy-efi.org
Subject: [Diy_efi] ECU Tester

Hello

I'm new member to DIY-EFI .. I'm engineer I have designed an engine
simulator for testing engine

ECU's the simulator generate all the sensors signals required operate the
ECU under test

I'm using LABview software to monitor and control the ECU operation

By now most of the BOSCH MOTRONIC ECU's can be tested...I'm now preparing
the simulator

For testing SIMTEC and GM ecru's but the information on SIMTEC and GM ECU is
very rare... any one can help with

the pinout or schematics of SIMTEC and GM ECU's

K Daniel

________________________________

Do you Yahoo!?
Yahoo! Mail Address AutoComplete
w_mail/static/ease.html> - You start. We finish.

_______________________________________________
diy_efi mailing list
diy_efi at diy-efi.org
http://lists.diy-efi.org/mailman/listinfo/diy_efi

Do you Yahoo!?
Check out the new Yahoo! Front Page. www.yahoo.com Interested in knowing if this will work with bosch motronic 2.9 as fitted on VW's? Justin > >-----Original Message----- >From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] On >Behalf Of K DANIEL >Sent: Saturday, October 30, 2004 7:49 AM >To: diy_efi at diy-efi.org >Subject: [Diy_efi] ECU Tester > >Hello > >I'm new member to DIY-EFI .. I'm engineer I have designed an engine >simulator for testing engine > >ECU's the simulator generate all the sensors signals required operate the >ECU under test > >I'm using LABview software to monitor and control the ECU operation > >By now most of the BOSCH MOTRONIC ECU's can be tested...I'm now preparing >the simulator > >For testing SIMTEC and GM ecru's but the information on SIMTEC and GM ECU >is >very rare... any one can help with > >the pinout or schematics of SIMTEC and GM ECU's > > >K Daniel > _________________________________________________________________ Express yourself instantly with MSN Messenger! Download today - it's FREE! hthttp://messenger.msn.click-url.com/go/onm00200471ave/direct/01/ _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From kml_daniel at yahoo.com Tue Nov 2 19:50:25 2004 From: kml_daniel at yahoo.com (K DANIEL) Date: Tue, 02 Nov 2004 16:50:25 -0300 Subject: [Diy_efi] RE: diy_efi Digest, Vol 14, Issue 2 Message-ID: --===============4304647213436692== Content-Type: multipart/alternative; boundary="0-967085729-1099424848=:17899" --0-967085729-1099424848=:17899 Content-Type: text/plain; charset=us-ascii justin ivan wrote: Interested in knowing if this will work with bosch motronic 2.9 as fitted on VW's? Justin > Hi Justin Yes It work with motronic 2.9 ..can you send me the pinout of motronic 2.9 K Daniel >-----Original Message----- >From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] On >Behalf Of K DANIEL >Sent: Saturday, October 30, 2004 7:49 AM >To: diy_efi at diy-efi.org >Subject: [Diy_efi] ECU Tester > >Hello > >I'm new member to DIY-EFI .. I'm engineer I have designed an engine >simulator for testing engine > >ECU's the simulator generate all the sensors signals required operate the >ECU under test > >I'm using LABview software to monitor and control the ECU operation > >By now most of the BOSCH MOTRONIC ECU's can be tested...I'm now preparing >the simulator > >For testing SIMTEC and GM ecru's but the information on SIMTEC and GM ECU >is >very rare... any one can help with > >the pinout or schematics of SIMTEC and GM ECU's > > >K Daniel > _________________________________________________________________ Express yourself instantly with MSN Messenger! Download today - it's FREE! hthttp://messenger.msn.click-url.com/go/onm00200471ave/direct/01/ _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --------------------------------- Do you Yahoo!? Check out the new Yahoo! Front Page. www.yahoo.com/a --0-967085729-1099424848=:17899 Content-Type: text/html; charset=us-ascii

justin ivan <vlkslvr at hotmail.com> wrote:

Interested in knowing if this will work with bosch motronic 2.9 as fitted on
VW's?
Justin
>

Hi Justin
Yes It work with motronic 2.9 ..can you send me the pinout of motronic 2.9

K Daniel
>-----Original Message-----
>From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] On
>Behalf Of K DANIEL
>Sent: Saturday, October 30, 2004 7:49 AM
>To: diy_efi at diy-efi.org
>Subject: [Diy_efi] ECU Tester
>
>Hello
>
>I'm new member to DIY-EFI .. I'm engineer I have designed an engine
>simulator for testing engine
>
>ECU's the simulator generate all the sensors signals required operate the
>ECU under test
>
>I'm using LABview software to monitor and control the ECU operation
>
>By now most of the BOSCH MOTRONIC ECU's can be tested...I'm now preparing
>the simulator
>
>For testing SIMTEC and GM ecru's but the information on SIMTEC and GM ECU
>is
>very rare... any one can help with
>
>the pinout or schematics of SIMTEC and GM ECU's
>
>
>K Daniel
>

_________________________________________________________________
Express yourself instantly with MSN Messenger! Download today - it's FREE!
hthttp://messenger.msn.click-url.com/go/onm00200471ave/direct/01/

_______________________________________________
diy_efi mailing list
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http://lists.diy-efi.org/mailman/listinfo/diy_efi

Do you Yahoo!?
Check out the new Yahoo! Front Page. www.yahoo.com --===============060993641675424648== Content-Type: Multipart/related; type="multipart/alternative"; boundary="------------Boundary-00=_4NHOQL80000000000000" --------------Boundary-00=_4NHOQL80000000000000 Content-Type: Multipart/Alternative; boundary="------------Boundary-00=_4NHOLVC0000000000000" --------------Boundary-00=_4NHOLVC0000000000000 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable EGR is based on load and throttle position... I know it has to be less t= han 70% throttle, but don't know the specifics of the others=0D =0D =0D -------Original Message-------=0D =0D From: Joe Lopilato=0D Date: 11/04/04 18:34:45=0D To: diy_efi at diy-efi.org=0D Subject: [Diy_efi] Ford algorithym for opening the EGR valve=0D =0D Hi all:=0D =0D I have a 1988 Ford F-150, 4X4, 5.0L. engine.=0D =0D Does anyone have any info on what inputs are used by the PCM to decide to open the EGR valve on this engine. I can't believe that the PCM opens the valve relative to the engine rpm only. I am trying to debug a problem tha= t I have with an EGR that is not opening. I have performed all of the diagnos= tic tests recommended by Ford and everything (EGR, EVP, EGR Solenoid) works i= n static mode. But the valve does not open while driving the vehicle.=0D =0D If anyone has any info on this or can lead me to a site that may shed som= e light on this issue I would appreciate it.=0D =0D Regards,=0D =0D Joe =0D =20 --------------Boundary-00=_4NHOLVC0000000000000 Content-Type: Text/HTML; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

&n= bsp;

EGR is based on load and throttle position... I know it has to= be less than 70% throttle, but don't know the specifics of the othe= rs

-------Original Message-------

From: Joe Lopilato

Date: 11/04/04 18:= 34:45

To: diy_efi at diy-efi.org

Subject: [Diy_efi]= Ford algorithym for opening the EGR valve

Hi all:=

I have = a 1988 Ford F-150, 4X4, 5.0L. engine.

Does an= yone have any info on what inputs are used by the PCM to decide to open t= he EGR valve on this engine. I can't believe that the PCM opens the = valve relative to the engine rpm only. I am trying to debug a problem tha= t I have with an EGR that is not opening. I have performed all of the dia= gnostic tests recommended by Ford and everything (EGR, EVP, EGR Solenoid)= works in static mode. But the valve does not open while driving th= e vehicle.

If anyo= ne has any info on this or can lead me to a site that may shed some light= on this issue I would appreciate it.

Regards= ,

Joe&nbs= p;

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multipart/alternative; boundary="----=_NextPart_000_000B_01C4C288.20750FE0" This is a multi-part message in MIME format. ------=_NextPart_000_000B_01C4C288.20750FE0 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Hello I work in an automotive repair shop, and this is a common problem with these. Actually they develop a surge more often. I cant help with the computer part of it, but I can tell you to check the filter on the top = of the egr solenoid. They have something like scotchbrite there, clean it = with carb. Cleaner and use compressed air to blow it off. Good luck Aaron =20 =20 -----Original Message----- From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] = On Behalf Of Joe Lopilato Sent: Thursday, November 04, 2004 3:34 PM To: diy_efi at diy-efi.org Subject: [Diy_efi] Ford algorithym for opening the EGR valve =20 Hi all: =20 I have a 1988 Ford F-150, 4X4, 5.0L. engine. =20 Does anyone have any info on what inputs are used by the PCM to decide = to open the EGR valve on this engine. I can't believe that the PCM opens = the valve relative to the engine rpm only. I am trying to debug a problem = that I have with an EGR that is not opening. I have performed all of the = diagnostic tests recommended by Ford and everything (EGR, EVP, EGR Solenoid) works = in static mode. But the valve does not open while driving the vehicle. =20 If anyone has any info on this or can lead me to a site that may shed = some light on this issue I would appreciate it. =20 Regards, =20 Joe=20 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.788 / Virus Database: 533 - Release Date: 11/1/2004 --- Incoming mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.788 / Virus Database: 533 - Release Date: 11/1/2004 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.788 / Virus Database: 533 - Release Date: 11/1/2004 =20 ------=_NextPart_000_000B_01C4C288.20750FE0 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Message

Hello

I work in an automotive repair = shop, and this is a common problem with these. Actually they develop a surge more = often. I cant help with the computer part of it, but I can tell you to check the = filter on the top of the egr solenoid. They have something like scotchbrite = there, clean it with carb. Cleaner and use compressed air to blow it = off.

Good luck

Aaron

-----Original = Message-----
From: = diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] On Behalf Of Joe Lopilato
Sent: Thursday, November = 04, 2004 3:34 PM
To: = diy_efi at diy-efi.org
Subject: [Diy_efi] Ford = algorithym for opening the EGR valve

Hi all:

I have a 1988 Ford F-150, = 4X4, 5.0L. engine.

Does anyone have any info = on what inputs are used by the PCM to decide to open the EGR valve on this engine. I can't believe that the PCM opens the valve relative to = the engine rpm only. I am trying to debug a problem that I have with an EGR = that is not opening. I have performed all of the diagnostic tests recommended by = Ford and everything (EGR, EVP, EGR Solenoid) works in static mode. But = the valve does not open while driving the vehicle.

If anyone has any info on = this or can lead me to a site that may shed some light on this issue I would = appreciate it.

Regards,

Joe

---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.788 / Virus Database: 533 - Release Date: 11/1/2004

---
Incoming mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
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------=_NextPart_000_000B_01C4C288.20750FE0-- --===============71844021380442014== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --===============71844021380442014==-- From josephl at aei.ca Fri Nov 5 00:25:20 2004 From: josephl at aei.ca (Joe Lopilato) Date: Thu, 04 Nov 2004 21:25:20 -0300 Subject: [Diy_efi] Ford algorithym for opening the EGR valve Message-ID: This is a multi-part message in MIME format. --===============61425297448442029== Content-Type: multipart/alternative; boundary="----=_NextPart_000_0006_01C4C2A3.56A99A70" This is a multi-part message in MIME format. ------=_NextPart_000_0006_01C4C2A3.56A99A70 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: 7bit Hi: Actually I replaced the solenoid valve with a new one becuase i thought that the old one might not be opening. But the new solenoid is reacting exactly the same way as the old one. I'm now wondering if the position sensor on top of the EGR valve might not be sending the correct EGR valve position to the PCM. Or one of the other sensors that the PCM uses to open the EGR valve is not working. Any info would be appreciated. Joe -----Original Message----- From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] On Behalf Of Aaron Sent: Thursday, November 04, 2004 7:06 PM To: 'A list for Do-It-Yourself EFI' Subject: RE: [Diy_efi] Ford algorithym for opening the EGR valve Hello I work in an automotive repair shop, and this is a common problem with these. Actually they develop a surge more often. I cant help with the computer part of it, but I can tell you to check the filter on the top of the egr solenoid. They have something like scotchbrite there, clean it with carb. Cleaner and use compressed air to blow it off. Good luck Aaron -----Original Message----- From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] On Behalf Of Joe Lopilato Sent: Thursday, November 04, 2004 3:34 PM To: diy_efi at diy-efi.org Subject: [Diy_efi] Ford algorithym for opening the EGR valve Hi all: I have a 1988 Ford F-150, 4X4, 5.0L. engine. Does anyone have any info on what inputs are used by the PCM to decide to open the EGR valve on this engine. I can't believe that the PCM opens the valve relative to the engine rpm only. I am trying to debug a problem that I have with an EGR that is not opening. I have performed all of the diagnostic tests recommended by Ford and everything (EGR, EVP, EGR Solenoid) works in static mode. But the valve does not open while driving the vehicle. If anyone has any info on this or can lead me to a site that may shed some light on this issue I would appreciate it. Regards, Joe --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.788 / Virus Database: 533 - Release Date: 11/1/2004 --- Incoming mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.788 / Virus Database: 533 - Release Date: 11/1/2004 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.788 / Virus Database: 533 - Release Date: 11/1/2004 --- Incoming mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.788 / Virus Database: 533 - Release Date: 11/1/2004 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.788 / Virus Database: 533 - Release Date: 11/1/2004 ------=_NextPart_000_0006_01C4C2A3.56A99A70 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Message

Hi:

Actually I replaced the solenoid valve with a new one becuase i = thought=20 that the old one might not be opening. But the new solenoid is reacting = exactly=20 the same way as the old one. I'm now wondering if the position sensor on = top of=20 the EGR valve might not be sending the correct EGR valve position to the = PCM. Or=20 one of the other sensors that the PCM uses to open the EGR valve is not = working.=20 Any info would be appreciated.

Joe

-----Original Message-----
From:=20 diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] On = Behalf=20 Of Aaron
Sent: Thursday, November 04, 2004 7:06 = PM
To:=20 'A list for Do-It-Yourself EFI'
Subject: RE: [Diy_efi] Ford=20 algorithym for opening the EGR valve

Hello

I work in = an=20 automotive repair shop, and this is a common problem with these. = Actually they=20 develop a surge more often. I cant help with the computer part of it, = but I=20 can tell you to check the filter on the top of the egr solenoid. They = have=20 something like scotchbrite there, clean it with carb. Cleaner and use=20 compressed air to blow it off.

Good=20 luck

Aaron

-----Original=20 Message-----
From:=20 diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] = On Behalf Of Joe = Lopilato
Sent: Thursday, November 04, = 2004 3:34=20 PM
To:=20 diy_efi at diy-efi.org
Subject:=20 [Diy_efi] Ford algorithym for opening the EGR valve

Hi = all:

I have a 1988 Ford = F-150, 4X4,=20 5.0L. engine.

Does anyone have any = info on what=20 inputs are used by the PCM to decide to open the EGR valve on this=20 engine. I can't believe that the PCM opens the valve relative to = the=20 engine rpm only. I am trying to debug a problem that I have with an = EGR that=20 is not opening. I have performed all of the diagnostic tests = recommended by=20 Ford and everything (EGR, EVP, EGR Solenoid) works in static mode. = But=20 the valve does not open while driving the = vehicle.

If anyone has any info = on this or=20 can lead me to a site that may shed some light on this issue I would=20 appreciate it.

Regards,

Joe

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------=_NextPart_000_0006_01C4C2A3.56A99A70-- --===============61425297448442029== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --===============61425297448442029==-- From espresso_doppio at yahoo.com Fri Nov 5 00:25:40 2004 From: espresso_doppio at yahoo.com (Adam Wade) Date: Thu, 04 Nov 2004 21:25:40 -0300 Subject: [Diy_efi] MoDiTeC and motorcycles Message-ID: Since there is almost no extant info on BMW motorcycle ECUs, their modes of operation, and the MoDiTeC protocol (at least that I can find), I'm interested in knowing what is out there. Any info on or companies who are working on hacking the MoDiTeC protocol would be very welcome, most especially knowing whether all the BMW-branded ECUs use a common protocol and interface, or of the MoDiTeC box runs through a varioety of handshaking routines until hitting the one for the particular box to which it is connected. Info on which machines have which ECUs, and differences in capabilities and architecture between ECUs. And lastly, which bikes have which sensors, and what operating modes they have (and how they switch between modes). Very curious to see if any BMW bikes use MAF sensors. Any leads are appreciated. :) ===== | 82 Honda CX500 Turbo (Cassandra) 90 Kwak Zephyr 550 (Daphne) | | "It was like an emergency ward after a great catastrophe; it | | didn't matter what race or class the victims belonged to. | | They were all given the same miracle drug, which was coffee. | | The catastrophe in this case, of course, was that the sun | | had come up again." -Kurt Vonnegut | | Buy my M/C Fuel Inj. Handbook - http://tinyurl.com/2e8eu | __________________________________ Do you Yahoo!? Check out the new Yahoo! Front Page. www.yahoo.com _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From josephl at aei.ca Fri Nov 5 00:41:11 2004 From: josephl at aei.ca (Joe Lopilato) Date: Thu, 04 Nov 2004 21:41:11 -0300 Subject: [Diy_efi] Ford algorithym for opening the EGR valve Message-ID: This is a multi-part message in MIME format. --===============34021467027354557== Content-Type: multipart/alternative; boundary="----=_NextPart_000_0001_01C4C29C.E39B29A0" This is a multi-part message in MIME format. ------=_NextPart_000_0001_01C4C29C.E39B29A0 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: 7bit Hi all: I have a 1988 Ford F-150, 4X4, 5.0L. engine. Does anyone have any info on what inputs are used by the PCM to decide to open the EGR valve on this engine. I can't believe that the PCM opens the valve relative to the engine rpm only. I am trying to debug a problem that I have with an EGR that is not opening. I have performed all of the diagnostic tests recommended by Ford and everything (EGR, EVP, EGR Solenoid) works in static mode. But the valve does not open while driving the vehicle. If anyone has any info on this or can lead me to a site that may shed some light on this issue I would appreciate it. Regards, Joe --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.788 / Virus Database: 533 - Release Date: 11/1/2004 ------=_NextPart_000_0001_01C4C29C.E39B29A0 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Message

Hi=20 all:

I have = a 1988 Ford=20 F-150, 4X4, 5.0L. engine.

Does = anyone have any=20 info on what inputs are used by the PCM to decide to open the EGR valve = on this=20 engine. I can't believe that the PCM opens the valve relative to = the engine=20 rpm only. I am trying to debug a problem that I have with an EGR that is = not=20 opening. I have performed all of the diagnostic tests recommended by = Ford and=20 everything (EGR, EVP, EGR Solenoid) works in static mode. But the = valve=20 does not open while driving the vehicle.

If = anyone has any=20 info on this or can lead me to a site that may shed some light on this = issue I=20 would appreciate it.

Regards,

Joe

---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
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------=_NextPart_000_0001_01C4C29C.E39B29A0-- --===============34021467027354557== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --===============34021467027354557==-- From n5xmt at bellsouth.net Fri Nov 5 01:12:45 2004 From: n5xmt at bellsouth.net (David Cooley) Date: Thu, 04 Nov 2004 22:12:45 -0300 Subject: [Diy_efi] Ford algorithym for opening the EGR valve Message-ID: On fords I have seen where the rod that actuates the position sensor is too long and you have to file 1/8" to 1/4" off before the EGR will work... -------Original Message------- From: Joe Lopilato Date: 11/04/04 19:21:29 To: 'A list for Do-It-Yourself EFI' Subject: RE: [Diy_efi] Ford algorithym for opening the EGR valve Hi: Actually I replaced the solenoid valve with a new one becuase i thought that the old one might not be opening. But the new solenoid is reacting exactly the same way as the old one. I'm now wondering if the position sensor on top of the EGR valve might not be sending the correct EGR valve position to the PCM. Or one of the other sensors that the PCM uses to open the EGR valve is not working. Any info would be appreciated. Joe -----Original Message----- From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] On Behalf Of Aaron Sent: Thursday, November 04, 2004 7:06 PM To: 'A list for Do-It-Yourself EFI' Subject: RE: [Diy_efi] Ford algorithym for opening the EGR valve Hello I work in an automotive repair shop, and this is a common problem with these Actually they develop a surge more often. I cant help with the computer part of it, but I can tell you to check the filter on the top of the egr solenoid. They have something like scotchbrite there, clean it with carb. Cleaner and use compressed air to blow it off. Good luck Aaron -----Original Message----- From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] On Behalf Of Joe Lopilato Sent: Thursday, November 04, 2004 3:34 PM To: diy_efi at diy-efi.org Subject: [Diy_efi] Ford algorithym for opening the EGR valve Hi all: I have a 1988 Ford F-150, 4X4, 5.0L. engine. Does anyone have any info on what inputs are used by the PCM to decide to open the EGR valve on this engine. I can't believe that the PCM opens the valve relative to the engine rpm only. I am trying to debug a problem that I have with an EGR that is not opening. I have performed all of the diagnostic tests recommended by Ford and everything (EGR, EVP, EGR Solenoid) works in static mode. But the valve does not open while driving the vehicle. If anyone has any info on this or can lead me to a site that may shed some light on this issue I would appreciate it. Regards, Joe --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.788 / Virus Database: 533 - Release Date: 11/1/2004 --- Incoming mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.788 / Virus Database: 533 - Release Date: 11/1/2004 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.788 / Virus Database: 533 - Release Date: 11/1/2004 --- Incoming mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.788 / Virus Database: 533 - Release Date: 11/1/2004 _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From egilroy at comcast.net Fri Nov 5 01:47:06 2004 From: egilroy at comcast.net (Ed Gilroy) Date: Thu, 04 Nov 2004 22:47:06 -0300 Subject: [Diy_efi] Ford algorithym for opening the EGR valve Message-ID: This is a multi-part message in MIME format. --===============14179257684530144== Content-Type: multipart/alternative; boundary="----=_NextPart_000_0021_01C4C2AE.B19C8720" This is a multi-part message in MIME format. ------=_NextPart_000_0021_01C4C2AE.B19C8720 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable MessageAe you sure that the valve is not opening? If the EGR passages in = the manifolds are clogged with carbon, you get an EGR error. They sell = some special EGR passage reamers to rectify this problem for some = vehicles (I have used these on my Honda). Usually the EGR passages clog = due to oil leakage past the valve seals. Depending on the engine, you = may have to remove the manifold to get it cleaned out. YMMV...Ed ----- Original Message -----=20 From: Joe Lopilato=20 To: 'A list for Do-It-Yourself EFI'=20 Sent: Thursday, November 04, 2004 7:20 PM Subject: RE: [Diy_efi] Ford algorithym for opening the EGR valve Hi: Actually I replaced the solenoid valve with a new one becuase i = thought that the old one might not be opening. But the new solenoid is = reacting exactly the same way as the old one. I'm now wondering if the = position sensor on top of the EGR valve might not be sending the correct = EGR valve position to the PCM. Or one of the other sensors that the PCM = uses to open the EGR valve is not working. Any info would be = appreciated. Joe -----Original Message----- From: diy_efi-bounces at diy-efi.org = [mailto:diy_efi-bounces at diy-efi.org] On Behalf Of Aaron Sent: Thursday, November 04, 2004 7:06 PM To: 'A list for Do-It-Yourself EFI' Subject: RE: [Diy_efi] Ford algorithym for opening the EGR valve Hello I work in an automotive repair shop, and this is a common problem = with these. Actually they develop a surge more often. I cant help with = the computer part of it, but I can tell you to check the filter on the = top of the egr solenoid. They have something like scotchbrite there, = clean it with carb. Cleaner and use compressed air to blow it off. Good luck Aaron -----Original Message----- From: diy_efi-bounces at diy-efi.org = [mailto:diy_efi-bounces at diy-efi.org] On Behalf Of Joe Lopilato Sent: Thursday, November 04, 2004 3:34 PM To: diy_efi at diy-efi.org Subject: [Diy_efi] Ford algorithym for opening the EGR valve Hi all: I have a 1988 Ford F-150, 4X4, 5.0L. engine. Does anyone have any info on what inputs are used by the PCM to = decide to open the EGR valve on this engine. I can't believe that the = PCM opens the valve relative to the engine rpm only. I am trying to = debug a problem that I have with an EGR that is not opening. I have = performed all of the diagnostic tests recommended by Ford and everything = (EGR, EVP, EGR Solenoid) works in static mode. But the valve does not = open while driving the vehicle. If anyone has any info on this or can lead me to a site that may = shed some light on this issue I would appreciate it. Regards, Joe=20 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.788 / Virus Database: 533 - Release Date: 11/1/2004 --- Incoming mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.788 / Virus Database: 533 - Release Date: 11/1/2004 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.788 / Virus Database: 533 - Release Date: 11/1/2004 --- Incoming mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.788 / Virus Database: 533 - Release Date: 11/1/2004 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.788 / Virus Database: 533 - Release Date: 11/1/2004 -------------------------------------------------------------------------= ----- _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi ------=_NextPart_000_0021_01C4C2AE.B19C8720 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Message

Ae you sure that the valve is not = opening? If=20 the EGR passages in the manifolds are clogged with carbon, you get an = EGR error.=20 They sell some special EGR passage reamers to rectify this problem for = some=20 vehicles (I have used these on my Honda). Usually the EGR = passages=20 clog due to oil leakage past the valve seals. Depending on the engine, = you may=20 have to remove the manifold to get it cleaned out.

YMMV...Ed

----- Original Message -----

From:=20 Joe = Lopilato

To: 'A list for Do-It-Yourself = EFI'

Sent: Thursday, November 04, = 2004 7:20=20 PM

Subject: RE: [Diy_efi] Ford = algorithym=20 for opening the EGR valve

Hi:

Actually I replaced the solenoid valve with a new one becuase = i thought=20 that the old one might not be opening. But the new solenoid is = reacting=20 exactly the same way as the old one. I'm now wondering if the position = sensor=20 on top of the EGR valve might not be sending the correct EGR valve = position to=20 the PCM. Or one of the other sensors that the PCM uses to open the EGR = valve=20 is not working. Any info would be appreciated.

Joe

-----Original Message-----
From:=20 diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] = On=20 Behalf Of Aaron
Sent: Thursday, November 04, 2004 7:06 = PM
To: 'A list for Do-It-Yourself EFI'
Subject: = RE:=20 [Diy_efi] Ford algorithym for opening the EGR = valve

Hello

I work in = an=20 automotive repair shop, and this is a common problem with these. = Actually=20 they develop a surge more often. I cant help with the computer part = of it,=20 but I can tell you to check the filter on the top of the egr = solenoid. They=20 have something like scotchbrite there, clean it with carb. Cleaner = and use=20 compressed air to blow it off.

Good=20 luck

Aaron

-----Original=20 Message-----
From:=20 diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] = On Behalf Of Joe = Lopilato
Sent: Thursday, November 04, = 2004 3:34=20 PM
To:=20 diy_efi at diy-efi.org
Subject: [Diy_efi] Ford = algorithym for=20 opening the EGR valve

Hi = all:

I have a 1988 Ford = F-150, 4X4,=20 5.0L. engine.

Does anyone have any = info on=20 what inputs are used by the PCM to decide to open the EGR valve on = this=20 engine. I can't believe that the PCM opens the valve relative = to the=20 engine rpm only. I am trying to debug a problem that I have with an = EGR that=20 is not opening. I have performed all of the diagnostic tests = recommended by=20 Ford and everything (EGR, EVP, EGR Solenoid) works in static mode. = But=20 the valve does not open while driving the = vehicle.

If anyone has any info = on this=20 or can lead me to a site that may shed some light on this issue I = would=20 appreciate it.

Regards,

Joe

---
Outgoing mail is certified Virus = Free.
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Version: 6.0.788 = / Virus=20 Database: 533 - Release Date: 11/1/2004

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Outgoing mail is certified Virus = Free.
Checked by=20 AVG anti-virus system (http://www.grisoft.com).
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_______________________________________________
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http://lists.diy-efi.org/mailman/listinfo/= diy_efi
------=_NextPart_000_0021_01C4C2AE.B19C8720-- --===============14179257684530144== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --===============14179257684530144==-- From mbelloli at speedymotorsports.com Sat Nov 6 19:38:23 2004 From: mbelloli at speedymotorsports.com (mbelloli at speedymotorsports.com) Date: Sat, 06 Nov 2004 16:38:23 -0300 Subject: [Diy_efi] Looking for help with a prom N82S181 Message-ID: Hello Everyone, I am in the middle of changing the spark table for a friends 1984 gmc pickup with computer controlled timing, and carburetor. I've done quite a bit with the tbi ecms, and honestly this is my first computer of this generation. I have been able to copy the prom, and with help found the spark table. I've modified it, and put a copy of it on a 2716, which is a 2k x 8 eprom. I started with a N82S181 1k x 8 prom. I thought I would be able to just simply drop the eprom where the prom was, but I wasn't so lucky. I am not familar with the chip enable on the original chip, N82S181. It has 4 chip enable lines, and it looks like two of them are hex inverted. Does anybody have any idea how this chip works??? I got a data sheet from Jameco, which helped but was missing key information. I figure I'm going to have to make a dip socket sandwich with some changes for the enable logic. Thanks, Marcello A. Belloli _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From kd694j0538f at hotmail.com Sat Nov 6 21:14:47 2004 From: kd694j0538f at hotmail.com (FR Wilk) Date: Sat, 06 Nov 2004 18:14:47 -0300 Subject: [Diy_efi] Looking for help with a prom N82S181 Message-ID: You have twice the capacity in the 2716. Did you put the data in it twice?A10 on the 2716 is a CE on the N82S181. It may be accessing the upper 1K and not the lower 1K. 'CE' and 'CE Not' is how pin 18 is marked on the two. You may have to lift pin 18 and wire it to 'OE Not' or something similar. The N82S181 has 4 CE pins (2 CE and 2 CE Not), figure out how the board is wired up first. The 2716 has A10, CE Not, OE Not. FR Wilk _______________________________________________________ ----- Original Message ----- From: To: Cc: Sent: Saturday, November 06, 2004 11:36 AM Subject: [Diy_efi] Looking for help with a prom N82S181 > Hello Everyone, > I am in the middle of changing the spark table for a friends 1984 gmc > pickup with computer controlled timing, and carburetor. I've done > quite a bit with the tbi ecms, and honestly this is my first computer > of this generation. I have been able to copy the prom, and with help > found the spark table. I've modified it, and put a copy of it on a > 2716, which is a 2k x 8 eprom. I started with a N82S181 1k x 8 prom. > I thought I would be able to just simply drop the eprom where the > prom was, but I wasn't so lucky. I am not familar with the chip > enable on the original chip, N82S181. It has 4 chip enable lines, > and it looks like two of them are hex inverted. Does anybody have > any idea how this chip works??? I got a data sheet from Jameco, > which helped but was missing key information. I figure I'm going to > have to make a dip socket sandwich with some changes for the enable > logic. Thanks, Marcello A. Belloli > > _______________________________________________ > diy_efi mailing list > diy_efi at diy-efi.org > http://lists.diy-efi.org/mailman/listinfo/diy_efi > _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From sc7500 at sonic.net Sun Nov 7 00:55:23 2004 From: sc7500 at sonic.net (sc7500) Date: Sat, 06 Nov 2004 21:55:23 -0300 Subject: [Diy_efi] Injector Usage Question Message-ID: Hello there all; While diagnosing a nasty acceleration stumble on my wife's '91 Subaru 2.2 Wagon (it was a bad injector and coil pack), I stumbled across something new (to me, anyway) - 3.3L Subarus have a direct mount coil per plug arrangement, ideal for another project I'm working on. Does our braintrust have any specifications on these coils ? The app on the table would work very well with 45K volts per cylinder... TIA -- B. T. Corneto [The Mad Coater] Occidental, CA _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From ludis at cruzers.com Mon Nov 8 09:38:43 2004 From: ludis at cruzers.com (Ludis Langens) Date: Mon, 08 Nov 2004 06:38:43 -0300 Subject: [Diy_efi] Looking for help with a prom N82S181 Message-ID: mbelloli at speedymotorsports.com wrote: > > Hello Everyone, > I am in the middle of changing the spark table for a friends 1984 gmc > pickup with computer controlled timing, and carburetor. I've done > quite a bit with the tbi ecms, and honestly this is my first computer > of this generation. I have been able to copy the prom, and with help > found the spark table. I've modified it, and put a copy of it on a > 2716, which is a 2k x 8 eprom. I started with a N82S181 1k x 8 prom. > I thought I would be able to just simply drop the eprom where the > prom was, but I wasn't so lucky. I am not familar with the chip > enable on the original chip, N82S181. It has 4 chip enable lines, > and it looks like two of them are hex inverted. Does anybody have > any idea how this chip works??? I got a data sheet from Jameco, > which helped but was missing key information. I figure I'm going to > have to make a dip socket sandwich with some changes for the enable > logic. Thanks, Marcello A. Belloli Look here http://www.cruzers.com/~ludis/c3pinouts.html for the pinout data. You'll have to figure out which chip enable GM is using (and hope that they are only using one of them). The ECM likely has a 74138 type decoder for the chip selects, so you are probably OK. -- Ludis Langens ludis (at) cruzers (dot) com Mac, Fiero, & engine controller goodies: http://www.cruzers.com/~ludis/ _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From tim.van.setten at L-3com.com Mon Nov 8 13:16:10 2004 From: tim.van.setten at L-3com.com (Van Setten, Tim @ ACSSD) Date: Mon, 08 Nov 2004 10:16:10 -0300 Subject: [Diy_efi] Injector Usage Question Message-ID: The Subaru Turbo 2.0, Quad cam engines also have that setup. Also, many other Japanese engines, Nissan, Honda, etc. all run Coil-On-Plug arrangements......Tim. -----Original Message----- From: sc7500 [mailto:sc7500 at sonic.net] Sent: Saturday, November 06, 2004 5:51 PM To: A list for Do-It-Yourself EFI Subject: [Diy_efi] Injector Usage Question Hello there all; While diagnosing a nasty acceleration stumble on my wife's '91 Subaru 2.2 Wagon (it was a bad injector and coil pack), I stumbled across something new (to me, anyway) - 3.3L Subarus have a direct mount coil per plug arrangement, ideal for another project I'm working on. Does our braintrust have any specifications on these coils ? The app on the table would work very well with 45K volts per cylinder... TIA -- B. T. Corneto [The Mad Coater] Occidental, CA _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From michael at fastmail.ca Mon Nov 8 15:04:50 2004 From: michael at fastmail.ca (Michael Richards) Date: Mon, 08 Nov 2004 12:04:50 -0300 Subject: [Diy_efi] Re: diy_efi Digest, Vol 14, Issue 7 Message-ID: Interesting. I didn't know that the SVX had coil over plugs. I just did an STi V2 swap into an Impreza and had to learn how to drive some COPs. Here is the info I can remember off the top of my head. Coils are 2 wire with the name "diamond" they're denso parts. The resistance is about 0.5 ohms and the coil measures about 2mH of impedance. I'm driving these with a set of GB14C40L IGBTs I got from digikey. -Michael > While diagnosing a nasty acceleration stumble on my wife's '91 Subaru > 2.2 Wagon (it was a bad injector and coil pack), I stumbled across > something new (to me, anyway) - 3.3L Subarus have a direct mount coil > per plug arrangement, ideal for another project I'm working on. > > Does our braintrust have any specifications on these coils ? The app > on the table would work very well with 45K volts per cylinder... _________________________________________________________________ http://fastmail.ca/ - Fast Secure Web Email for Canadians _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From liberty1 at gmail.com Mon Nov 8 15:52:45 2004 From: liberty1 at gmail.com (Bobby Yates Emory) Date: Mon, 08 Nov 2004 12:52:45 -0300 Subject: [Diy_efi] Re: diy_efi Digest, Vol 14, Issue 7 Message-ID: My SVX is coil over plugs. Runs great. That's all I know, but I might could find out more, if you need it. Bobby On Mon, 8 Nov 2004 15:00:26 +0000 (UTC), Michael Richards wrote: > Interesting. I didn't know that the SVX had coil over plugs. I just did > an STi V2 swap into an Impreza and had to learn how to drive some COPs. > Here is the info I can remember off the top of my head. > > Coils are 2 wire with the name "diamond" they're denso parts. The > resistance is about 0.5 ohms and the coil measures about 2mH of > impedance. I'm driving these with a set of GB14C40L IGBTs I got from > digikey. > > -Michael > > > While diagnosing a nasty acceleration stumble on my wife's '91 Subaru > > 2.2 Wagon (it was a bad injector and coil pack), I stumbled across > > something new (to me, anyway) - 3.3L Subarus have a direct mount coil > > per plug arrangement, ideal for another project I'm working on. > > > > Does our braintrust have any specifications on these coils ? The app > > on the table would work very well with 45K volts per cylinder... > > _________________________________________________________________ > http://fastmail.ca/ - Fast Secure Web Email for Canadians > > _______________________________________________ > diy_efi mailing list > diy_efi at diy-efi.org > http://lists.diy-efi.org/mailman/listinfo/diy_efi > -- Toward freedom, Bobby Yates Emory _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From frederic at midimonkey.com Mon Nov 8 22:36:08 2004 From: frederic at midimonkey.com (frederic) Date: Mon, 08 Nov 2004 19:36:08 -0300 Subject: [Diy_efi] ECU Tester Message-ID: > It had a lot of good stuff in it. > I would be very interested in building a GM based > test bench. Thanks Don I just looked for the article, and it seems to have disappeared. I might have an archived copy I can put online for you if I find it. There is a gent on this list who at one point made a GM Test Bench PC board, which was reasonably priced, and you solder on the necessary parts and make a nice clean, well laid out unit. His name is Robert Ward. I have one such board and I highly recommend it. Beats point to point soldering on a perf board any day. -- == Frederic Breitwieser ======================================== "A fanatic is one who can't change his mind and won't change the subject." Winston Churchill (1874-1965) ======================== http://www.midimonkey.com/~frederic/ == _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From gsiano at erggroup.com Tue Nov 9 00:36:36 2004 From: gsiano at erggroup.com (Gaetano Siano) Date: Mon, 08 Nov 2004 21:36:36 -0300 Subject: [Diy_efi] Injector Usage Question Message-ID: This is a multipart message in MIME format. --===============98803452714646889== Content-Type: multipart/alternative; boundary="=_alternative 000305A048256F47_=" This is a multipart message in MIME format. --=_alternative 000305A048256F47_= Content-Type: text/plain; charset="US-ASCII" The 3.0L 2JZ-GTE on the Toyota Supra runs on the Coil-on-plug. It uses Direct Ignition System (DIS) Gaetano Siano ERG Transit Systems 247 Balcatta Road Balcatta WA 6021 Australia Tel: + 61 8 9273 1833 Fax: +61 8 9273 1535 Email: gsiano at erggroup.com Website: www.erggroup.com "Van Setten, Tim @ ACSSD" Sent by: diy_efi-bounces at diy-efi.org 08/11/2004 09:11 PM Please respond to A list for Do-It-Yourself EFI To 'A list for Do-It-Yourself EFI' cc Subject RE: [Diy_efi] Injector Usage Question The Subaru Turbo 2.0, Quad cam engines also have that setup. Also, many other Japanese engines, Nissan, Honda, etc. all run Coil-On-Plug arrangements......Tim. -----Original Message----- From: sc7500 [mailto:sc7500 at sonic.net] Sent: Saturday, November 06, 2004 5:51 PM To: A list for Do-It-Yourself EFI Subject: [Diy_efi] Injector Usage Question Hello there all; While diagnosing a nasty acceleration stumble on my wife's '91 Subaru 2.2 Wagon (it was a bad injector and coil pack), I stumbled across something new (to me, anyway) - 3.3L Subarus have a direct mount coil per plug arrangement, ideal for another project I'm working on. Does our braintrust have any specifications on these coils ? The app on the table would work very well with 45K volts per cylinder... TIA -- B. T. Corneto [The Mad Coater] Occidental, CA _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --=_alternative 000305A048256F47_= Content-Type: text/html; charset="US-ASCII"
The 3.0L 2JZ-GTE on the Toyota Supra runs on the Coil-on-plug. It uses Direct Ignition System (DIS)

Gaetano Siano

ERG Transit Systems
247 Balcatta Road Balcatta WA 6021 Australia
Tel: + 61 8 9273 1833 Fax: +61 8 9273 1535
Email: gsiano at erggroup.com Website: www.erggroup.com

"Van Setten, Tim @ ACSSD" <tim.van.setten at L-3com.com>
Sent by: diy_efi-bounces at diy-efi.org

08/11/2004 09:11 PM

Please respond to
A list for Do-It-Yourself EFI <diy_efi at diy-efi.org>

To	'A list for Do-It-Yourself EFI' <diy_efi at diy-efi.org>
cc
Subject	RE: [Diy_efi] Injector Usage Question

The Subaru Turbo 2.0, Quad cam engines also have that setup. Also, many other Japanese engines, Nissan, Honda, etc. all run Coil-On-Plug arrangements......Tim. -----Original Message----- From: sc7500 [mailto:sc7500 at sonic.net] Sent: Saturday, November 06, 2004 5:51 PM To: A list for Do-It-Yourself EFI Subject: [Diy_efi] Injector Usage Question Hello there all; While diagnosing a nasty acceleration stumble on my wife's '91 Subaru 2.2 Wagon (it was a bad injector and coil pack), I stumbled across something new (to me, anyway) - 3.3L Subarus have a direct mount coil per plug arrangement, ideal for another project I'm working on. Does our braintrust have any specifications on these coils ? The app on the table would work very well with 45K volts per cylinder... TIA -- B. T. Corneto [The Mad Coater] Occidental, CA _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi
--=_alternative 000305A048256F47_=-- --===============98803452714646889== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --===============98803452714646889==-- From mbelloli at speedymotorsports.com Tue Nov 9 05:16:44 2004 From: mbelloli at speedymotorsports.com (mbelloli at speedymotorsports.com) Date: Tue, 09 Nov 2004 02:16:44 -0300 Subject: [Diy_efi] RE: looking for help with a prom N82S181 Message-ID: I realized I needed to give more information to go with my question. I have included a link to a web page I created. I included some pics from my DSO of the signals on the 4 chip enable pins. I am hoping someone can look at this a give me a clue. I'm feeling pretty clueless right now. I'm not understanding the what I'm seeing. I especially don't understand what I am seeing on pin 19. It looks like noise to me. Tomorrow, I'm going to look at the chip enable pin on a 27c256 I have in another ecm. I am hoping to get a clue from this. But if anyone has anything to add, please let me know. I thought this was going to be so simple. Thanks, Marcello Here is the link to a page with the pic's. http://home.comcast.net/~hexibot43/MarcellosPage.htm _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From kml_daniel at yahoo.com Tue Nov 9 07:38:31 2004 From: kml_daniel at yahoo.com (K DANIEL) Date: Tue, 09 Nov 2004 04:38:31 -0300 Subject: [Diy_efi] ECU Tester Message-ID: --===============56205850921025924== Content-Type: multipart/alternative; boundary="0-1490231476-1099985703=:13088" --0-1490231476-1099985703=:13088 Content-Type: text/plain; charset=us-ascii frederic wrote: > It had a lot of good stuff in it. > I would be very interested in building a GM based > test bench. Thanks Don I just looked for the article, and it seems to have disappeared. I might have an archived copy I can put online for you if I find it. There is a gent on this list who at one point made a GM Test Bench PC board, which was reasonably priced, and you solder on the necessary parts and make a nice clean, well laid out unit. His name is Robert Ward. I have one such board and I highly recommend it. Beats point to point soldering on a perf board any day. -- == Frederic Breitwieser ======================================== "A fanatic is one who can't change his mind and won't change the subject." Winston Churchill (1874-1965) ======================== http://www.midimonkey.com/~frederic/ == HI Frederic I can help you designing test bench for GM ECM's ,send me the pinout or the schematic of the ECM's you would like start with and I will help you doing it K Daniel --------------------------------- Do you Yahoo!? Check out the new Yahoo! Front Page. www.yahoo.com --0-1490231476-1099985703=:13088 Content-Type: text/html; charset=us-ascii

frederic <frederic at midimonkey.com> wrote:

> It had a lot of good stuff in it.
> I would be very interested in building a GM based
> test bench. Thanks Don

I just looked for the article, and it seems to have disappeared. I might
have an archived copy I can put online for you if I find it.

There is a gent on this list who at one point made a GM Test Bench PC
board, which was reasonably priced, and you solder on the necessary parts
and make a nice clean, well laid out unit. His name is Robert Ward. I
have one such board and I highly recommend it. Beats point to point
soldering on a perf board any day.

--
== Frederic Breitwieser ========================================

"A fanatic is one who can't change his mind and won't change the
subject." Winston Churchill (1874-1965)

======================== http://www.midimonkey.com/~frederic/ ==

HI Frederic

I can help you designing test bench for GM ECM's ,send me the pinout or the schematic of the ECM's you would like start with and I will help you doing it

K Daniel

Do you Yahoo!?
Check out the new Yahoo! Front Page. www.yahoo.com --0-1490231476-1099985703=:13088-- --===============56205850921025924== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --===============56205850921025924==-- From joeld at ualberta.ca Tue Nov 9 15:34:38 2004 From: joeld at ualberta.ca (joeld) Date: Tue, 09 Nov 2004 12:34:38 -0300 Subject: [Diy_efi] Sequential on a 2-stroke Message-ID: Hello all, I've got a project going where I need to sequentially inject a snowmobile engine. The motor is a twin, so each cylinder is 180 out from the other. Anyhow, I would like to inject fuel at 100 btdc on both cylinders. Who makes a controller that can do this? Thanks, Joel _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From phil at injec.com Tue Nov 9 16:19:06 2004 From: phil at injec.com (Phil Lamovie) Date: Tue, 09 Nov 2004 13:19:06 -0300 Subject: [Diy_efi] Sequential on a 2-stroke Message-ID: Hi Joe, If you start injecting the fuel at such a late stage you will have to use very large injectors to get the mixtures right. I'm not sure that at 7 or 8,000 rpm you could get the job done in a ms or so that's available. HTH Phil _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From don.broadus at exeloncorp.com Tue Nov 9 17:18:07 2004 From: don.broadus at exeloncorp.com (don.broadus at exeloncorp.com) Date: Tue, 09 Nov 2004 14:18:07 -0300 Subject: [Diy_efi] ECU Tester Message-ID: Thanks would appreciate you locating the article. The last I heard Robert Ward had ran out of circuit boards and didn't think he would make any more. His set up looked great. -----Original Message----- From: frederic [mailto:frederic at midimonkey.com] Sent: Monday, November 08, 2004 4:32 PM To: A list for Do-It-Yourself EFI Subject: RE: [Diy_efi] ECU Tester > It had a lot of good stuff in it. > I would be very interested in building a GM based > test bench. Thanks Don I just looked for the article, and it seems to have disappeared. I might have an archived copy I can put online for you if I find it. There is a gent on this list who at one point made a GM Test Bench PC board, which was reasonably priced, and you solder on the necessary parts and make a nice clean, well laid out unit. His name is Robert Ward. I have one such board and I highly recommend it. Beats point to point soldering on a perf board any day. -- == Frederic Breitwieser ======================================== "A fanatic is one who can't change his mind and won't change the subject." Winston Churchill (1874-1965) ======================== http://www.midimonkey.com/~frederic/ == _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi ************************************************************************ This e-mail and any of its attachments may contain Exelon Corporation proprietary information, which is privileged, confidential, or subject to copyright belonging to the Exelon Corporation family of Companies. This e-mail is intended solely for the use of the individual or entity to which it is addressed. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution, copying, or action taken in relation to the contents of and attachments to this e-mail is strictly prohibited and may be unlawful. If you have received this e-mail in error, please notify the sender immediately and permanently delete the original and any copy of this e-mail and any printout. Thank You. ************************************************************************ _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From joeld at ualberta.ca Tue Nov 9 18:24:30 2004 From: joeld at ualberta.ca (joeld) Date: Tue, 09 Nov 2004 15:24:30 -0300 Subject: [Diy_efi] Sequential on a 2-stroke Message-ID: I've done all the calcs, got the injectors and everything is set up properly. Just need the system to run it. I need sequential on a 2 cylinder 2-stoke but don't know where to get such a system. Joel >===== Original Message From Phil Lamovie ===== >Hi Joe, > >If you start injecting the fuel at such a late stage you will >have to use very large injectors to get the mixtures right. > >I'm not sure that at 7 or 8,000 rpm you could get the job done >in a ms or so that's available. > >HTH > >Phil > >_______________________________________________ >diy_efi mailing list >diy_efi at diy-efi.org >http://lists.diy-efi.org/mailman/listinfo/diy_efi _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From n5xmt at bellsouth.net Tue Nov 9 18:40:00 2004 From: n5xmt at bellsouth.net (David Cooley) Date: Tue, 09 Nov 2004 15:40:00 -0300 Subject: [Diy_efi] Sequential on a 2-stroke Message-ID: Wouldn't megasquirt be configurable to do it? -------Original Message------- From: joeld Date: 11/09/04 13:15:41 To: diy_efi at diy-efi.org Subject: RE: [Diy_efi] Sequential on a 2-stroke I've done all the calcs, got the injectors and everything is set up properly Just need the system to run it. I need sequential on a 2 cylinder 2-stoke but don't know where to get such a system. Joel >===== Original Message From Phil Lamovie ===== >Hi Joe, > >If you start injecting the fuel at such a late stage you will >have to use very large injectors to get the mixtures right. > >I'm not sure that at 7 or 8,000 rpm you could get the job done >in a ms or so that's available. > >HTH > >Phil > >_______________________________________________ >diy_efi mailing list >diy_efi at diy-efi.org >http://lists.diy-efi.org/mailman/listinfo/diy_efi _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From lee at bussy.org Tue Nov 9 18:48:16 2004 From: lee at bussy.org (Lee C. Bussy) Date: Tue, 09 Nov 2004 15:48:16 -0300 Subject: [Diy_efi] Sequential on a 2-stroke Message-ID: > Wouldn't megasquirt be configurable to do it? No, Megasquirt is (presently) batch fire. -Lee _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From A6intruder at adelphia.net Tue Nov 9 19:04:32 2004 From: A6intruder at adelphia.net (Daniel Nicoson) Date: Tue, 09 Nov 2004 16:04:32 -0300 Subject: [Diy_efi] Sequential on a 2-stroke Message-ID: Two thoughts: 1) Depending on intake manifold design, if you can batch fire a 4-cycle why not batch fire a 2-cycle? 2) Check the Megasquirt stuff, do they drive ALL injectors with just one transistor? I was thinking there might be two transistors (channels) which could give you sequential operation on a 2-cylinder. Good luck, Dan -----Original Message----- From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org]On Behalf Of Lee C. Bussy Sent: Tuesday, November 09, 2004 1:27 PM To: A list for Do-It-Yourself EFI Subject: Re[2]: [Diy_efi] Sequential on a 2-stroke > Wouldn't megasquirt be configurable to do it? No, Megasquirt is (presently) batch fire. -Lee _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From Steve.Ravet at arm.com Tue Nov 9 19:10:16 2004 From: Steve.Ravet at arm.com (Steve Ravet) Date: Tue, 09 Nov 2004 16:10:16 -0300 Subject: [Diy_efi] RE: looking for help with a prom N82S181 Message-ID: Here's the pinout of your 2716: 2716 +--------\/--------+ 1 -|a7 vcc|- 24 2 -|a6 a8|- 23 3 -|a5 a9|- 22 4 -|a4 vpp|- 21 5 -|a3 /oe|- 20 6 -|a2 2716 a10|- 19 7 -|a1 /ce|- 18 8 -|a0 o7|- 17 9 -|o0 o6|- 16 10 -|o1 o5|- 15 11 -|o2 o4|- 14 12 -|gnd o3|- 13 +------------------+ Here's the pinout of the N82S181: =20 +--------\/--------+ 1 -|a7 vcc|- 24 2 -|a6 a8|- 23 3 -|a5 a9|- 22 4 -|a4 nCE1|- 21 5 -|a3 nCE2|- 20 6 -|a2 N82S181 CE3|- 19 7 -|a1 CE4|- 18 8 -|a0 o7|- 17 9 -|o0 o6|- 16 10 -|o1 o5|- 15 11 -|o2 o4|- 14 12 -|gnd o3|- 13 +------------------+ =20 There are a couple problems here. Pin 21 nCE1 (vpp): The trace shows this signal toggling. vpp=3Dgnd is = not listed in the datasheet (ST microelectronics) that I'm looking at. = vpp should always be either Vcc (5V) or Vpp (25V). connecting it to = ground may be OK, or it may keep it from working, or it may damage the = device. Assuming you don't want to program the chip in circuit, then = wire this pin to Vcc. pin 22 nCE2 (/oe): In 2716 read mode this pin is equivalent to the PROM = nCE2 so this pin is OK. pin 23 CE3 (a10): toggles continuously in your trace. CE3=3Da10=3DVcc = is OK (will read from the upper half of the EPROM). But CE3=3Da10=3DGND = is not OK. In this case the PROM would be tristated but the EPROM will = drive data onto the output bus, potentially conflicting with another = device. pin 24 CE4 (/ce): seems to be permanently wired to Vcc to enable the = PROM. Vcc on this pin will permanently disable the EPROM. *IF* you can determine that CE4 is always driven high, ie connected to = VCC, then a simple way to fix pins 23 and 24 is to wire pin 23 on the = EPROM (a10) to ground, and to invert the signal at the pin 23 pad and = then connect that to pin 24 of the EPROM (/ce) If CE4 is driven by logic then you still have to connect EPROM pin a10 = to ground, then OR the pin 23 and pin 24 pad values, invert that, and = connect to EPROM pin 24. hope that makes sense, --steve > -----Original Message----- > From: diy_efi-bounces at diy-efi.org=20 > [mailto:diy_efi-bounces at diy-efi.org] On Behalf Of=20 > mbelloli at speedymotorsports.com > Sent: Monday, November 08, 2004 11:16 PM > To: diy_efi at diy-efi.org > Cc: hexibot43 at yahoo.com > Subject: [Diy_efi] RE: looking for help with a prom N82S181 >=20 > I realized I needed to give more information to go with=20 > my question.=20 > I have included a link to a web page I created. I included=20 > some pics from my DSO of the signals on the 4 chip enable=20 > pins. I am hoping someone can look at this a give me a clue.=20 > I'm feeling pretty clueless right now. I'm not=20 > understanding the what I'm seeing. I especially don't=20 > understand what I am seeing on pin 19. It looks like noise to me. > Tomorrow, I'm going to look at the chip enable pin on a=20 > 27c256 I have in another ecm. I am hoping to get a clue from=20 > this. But if anyone has anything to add, please let me know.=20 > I thought this was going to be so simple. >=20 > Thanks, >=20 > Marcello >=20 > Here is the link to a page with the pic's. >=20 > http://home.comcast.net/~hexibot43/MarcellosPage.htm _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From n5xmt at bellsouth.net Tue Nov 9 19:18:40 2004 From: n5xmt at bellsouth.net (David Cooley) Date: Tue, 09 Nov 2004 16:18:40 -0300 Subject: [Diy_efi] Sequential on a 2-stroke Message-ID: --===============62097107252986206== Content-Type: Multipart/Alternative; boundary="------------Boundary-00=_2AEX6RO0000000000000" --------------Boundary-00=_2AEX6RO0000000000000 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Heck, batch fire on a 2cyl 2 stroke should be fine anyway... you inject t= o the crankcase (or it doesn't oil the bearings!) and do it once for each intake event... if it's too much fuel for a single injector, or has a sp= lit crankcase, one injector on each side in batch mode and tuned for 1/2 the required fuel per squirt... 1 squirt per intake event in batch mode gives= 2 squirts per cyl/rotation.=0D =0D =0D -------Original Message-------=0D =0D From: Daniel Nicoson=0D Date: 11/09/04 13:58:11=0D To: A list for Do-It-Yourself EFI=0D Subject: RE: Re[2]: [Diy_efi] Sequential on a 2-stroke=0D =0D Two thoughts:=0D =0D 1) Depending on intake manifold design, if you can batch fire a 4-cycle w= hy=0D not batch fire a 2-cycle?=0D =0D 2) Check the Megasquirt stuff, do they drive ALL injectors with just one=0D transistor? I was thinking there might be two transistors (channels) whi= ch=0D could give you sequential operation on a 2-cylinder.=0D =0D Good luck,=0D =0D Dan=0D =0D -----Original Message-----=0D From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org >mailto:diy_efi-bounces at diy-efi.org">diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org]On=0D Behalf Of Lee C. Bussy=0D Sent: Tuesday, November 09, 2004 1:27 PM=0D To: A list for Do-It-Yourself EFI=0D Subject: Re[2]: [Diy_efi] Sequential on a 2-stroke=0D =0D =0D > Wouldn't megasquirt be configurable to do it?=0D =0D No, Megasquirt is (presently) batch fire.=0D =0D -Lee=0D =0D =0D _______________________________________________=0D diy_efi mailing list=0D diy_efi at diy-efi.org=0D http://lists.diy-efi.org/mailman/listinfo/diy_efi=0D =0D _______________________________________________=0D diy_efi mailing list=0D diy_efi at diy-efi.org=0D http://lists.diy-efi.org/mailman/listinfo/diy_efi=0D =2E --------------Boundary-00=_2AEX6RO0000000000000 Content-Type: Text/HTML; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Heck, batch fire on a 2cyl 2 stroke should be fine anyway... you inj= ect to the crankcase (or it doesn't oil the bearings!) and do it once for= each intake event... if it's too much fuel for a single injector, = or has a split crankcase, one injector on each side in batch mode and tun= ed for 1/2 the required fuel per squirt... 1 squirt per intake event= in batch mode gives 2 squirts per cyl/rotation.

-------Original Message-------

From: Daniel Nicoson

Date: 11/09/04 13:= 58:11

To: A list for Do-It-Yourself EFI

Subject: RE: Re[2]= : [Diy_efi] Sequential on a 2-stroke

Two thoughts:

1) Depending on intake manifold design, if you can batch fire a 4-cy= cle why

not batch fire a 2-cycle?

2) Check the Megasquirt stuff, do they drive ALL injectors with just= one

transistor? I was thinking there might be two transistors= (channels) which

could give you sequential operation on a 2-cylinder.

Good luck,

Dan

-----Original Message-----

From: diy= _efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org">mail= to:diy_efi-bounces at diy-efi.org">diy_efi-bounces at diy-efi.org [mailt= o:diy_efi-bounces at diy-efi.org]On

Behalf Of Lee C. Bussy

Sent: Tuesday, November 09, 2004 1:27 PM

To: A list for Do-It-Yourself EFI

Subject: Re[2]: [Diy_efi] Sequential on a 2-stroke

> Wouldn't megasquirt be configurable to do it?

No, Megasquirt is (presently) batch fire.

-Lee

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--------------Boundary-00=_2AEX6RO0000000000000-- --===============62097107252986206== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --===============62097107252986206==-- From bill.washington at nec.com.au Wed Nov 10 00:55:23 2004 From: bill.washington at nec.com.au (Bill Washington) Date: Tue, 09 Nov 2004 21:55:23 -0300 Subject: [Diy_efi] Re: diy_efi Digest, Vol 14, Issue 9 Message-ID: Marcello, That signal looks to me like a clock, your DSO's bandwidth/slew rate may be preventing you seeing the full(true) excursion of the signals. Regards Bill Message: 3 Date: Tue, 9 Nov 2004 00:15:54 -0500 (EST) From: mbelloli at speedymotorsports.com Subject: [Diy_efi] RE: looking for help with a prom N82S181 To: diy_efi at diy-efi.org Cc: hexibot43 at yahoo.com Message-ID: <1081.24.7.39.231.1099977354.squirrel at www.speedymotorsports.com> Content-Type: text/plain;charset=iso-8859-1 I realized I needed to give more information to go with my question. I have included a link to a web page I created. I included some pics from my DSO of the signals on the 4 chip enable pins. I am hoping someone can look at this a give me a clue. I'm feeling pretty clueless right now. I'm not understanding the what I'm seeing. I especially don't understand what I am seeing on pin 19. It looks like noise to me. Tomorrow, I'm going to look at the chip enable pin on a 27c256 I have in another ecm. I am hoping to get a clue from this. But if anyone has anything to add, please let me know. I thought this was going to be so simple. Thanks, Marcello Here is the link to a page with the pic's. http://home.comcast.net/~hexibot43/MarcellosPage.htm > > _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From ludis at cruzers.com Wed Nov 10 05:54:36 2004 From: ludis at cruzers.com (Ludis Langens) Date: Wed, 10 Nov 2004 02:54:36 -0300 Subject: [Diy_efi] RE: looking for help with a prom N82S181 Message-ID: Steve Ravet wrote: > > There are a couple problems here. > > Pin 21 nCE1 (vpp): The trace shows this signal toggling. vpp=gnd is not listed in the datasheet (ST microelectronics) that I'm looking at. vpp should always be either Vcc (5V) or Vpp (25V). connecting it to ground may be OK, or it may keep it from working, or it may damage the device. Assuming you don't want to program the chip in circuit, then wire this pin to Vcc. > > pin 22 nCE2 (/oe): In 2716 read mode this pin is equivalent to the PROM nCE2 so this pin is OK. > > pin 23 CE3 (a10): toggles continuously in your trace. CE3=a10=Vcc is OK (will read from the upper half of the EPROM). But CE3=a10=GND is not OK. In this case the PROM would be tristated but the EPROM will drive data onto the output bus, potentially conflicting with another device. > > pin 24 CE4 (/ce): seems to be permanently wired to Vcc to enable the PROM. Vcc on this pin will permanently disable the EPROM. > > *IF* you can determine that CE4 is always driven high, ie connected to VCC, then a simple way to fix pins 23 and 24 is to wire pin 23 on the EPROM (a10) to ground, and to invert the signal at the pin 23 pad and then connect that to pin 24 of the EPROM (/ce) > > If CE4 is driven by logic then you still have to connect EPROM pin a10 to ground, then OR the pin 23 and pin 24 pad values, invert that, and connect to EPROM pin 24. I suspect that Marcello simply needs to "rearrange" the four pins. In ECMs of this era, GM seemed to use a 74138 type 3to8 decoder to drive an active low chip select. That'll be on one of the active low chip select inputs. A CPU address line or two might be brought over to the chip selects - to allow for a bigger PROM or to provide extra decoding. This can probably be ignored. The R/~W line might also be brought over to one of the active high chip selects. This way the PROM stays disabled during CPU writes to it's address range. You don't need to simulate this. My instructions to Marcello are: Pull out an ohm meter. Find what pins 20 and 21 are wired to. One of them almost certainly will connect to a 16 pin DIP package. That will be your active low chip select. Connect it to pin 18 or 20 of your EPROM. Connect the other three pins of your EPROM to appropriate logic levels. BTW, consider using a 2732 or 2532 - you may need to do less pin swapping. -- Ludis Langens ludis (at) cruzers (dot) com Mac, Fiero, & engine controller goodies: http://www.cruzers.com/~ludis/ _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From gianmarco.rizzo at ericsson.com Wed Nov 10 10:12:24 2004 From: gianmarco.rizzo at ericsson.com (Gianmarco Rizzo (BE/EAS)) Date: Wed, 10 Nov 2004 07:12:24 -0300 Subject: [Diy_efi] Sequential on a 2-stroke Message-ID: you can alternatively check if this can be used http://www.jefferies-au.org/My16M/ or contact Cliff, he might mod the firmware to suit a 2 stroker. gm -----Original Message----- From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org]On Behalf Of joeld Sent: Dienstag, 9. November 2004 16:41 To: diy_efi at diy-efi.org Subject: [Diy_efi] Sequential on a 2-stroke Hello all, I've got a project going where I need to sequentially inject a snowmobile engine. The motor is a twin, so each cylinder is 180 out from the other. Anyhow, I would like to inject fuel at 100 btdc on both cylinders. Who makes a controller that can do this? Thanks, Joel _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From mark.linder at cox.net Wed Nov 10 11:03:03 2004 From: mark.linder at cox.net (mark.linder at cox.net) Date: Wed, 10 Nov 2004 08:03:03 -0300 Subject: [Diy_efi] Sequential on a 2-stroke Message-ID: Also check out Megasquirt. www.msefi.com or http://www.megasquirt.info/index.html Mark > > From: "Gianmarco Rizzo (BE/EAS)" > Date: 2004/11/10 Wed AM 05:08:01 EST > To: "'A list for Do-It-Yourself EFI'" > Subject: RE: [Diy_efi] Sequential on a 2-stroke > > you can alternatively check if this can be used > > http://www.jefferies-au.org/My16M/ > > or contact Cliff, he might mod the firmware to suit a 2 stroker. > > gm > > > -----Original Message----- > From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org]On > Behalf Of joeld > Sent: Dienstag, 9. November 2004 16:41 > To: diy_efi at diy-efi.org > Subject: [Diy_efi] Sequential on a 2-stroke > > > Hello all, > > I've got a project going where I need to sequentially inject a snowmobile > engine. The motor is a twin, so each cylinder is 180 out from the other. > Anyhow, I would like to inject fuel at 100 btdc on both cylinders. Who makes a > controller that can do this? > > Thanks, > > Joel > > _______________________________________________ > diy_efi mailing list > diy_efi at diy-efi.org > http://lists.diy-efi.org/mailman/listinfo/diy_efi > _______________________________________________ > diy_efi mailing list > diy_efi at diy-efi.org > http://lists.diy-efi.org/mailman/listinfo/diy_efi > _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From diy-efi-d at t-n-e.com Wed Nov 10 17:16:44 2004 From: diy-efi-d at t-n-e.com (Phil Hunter) Date: Wed, 10 Nov 2004 14:16:44 -0300 Subject: [Diy_efi] Re: looking for help with a prom N82S181 Message-ID: (Ludis Langens wrote:) > My instructions to Marcello are: Pull out an ohm meter. Find what pins... NO!!! This is a good way to destroy ICs. Ohm meters have a voltage across the leads, this voltage can turn on internal diode junctions and the resulting "unlimited" current can destory devices anywhere along the trace. rgds, philh _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From n5xmt at bellsouth.net Wed Nov 10 17:21:13 2004 From: n5xmt at bellsouth.net (David Cooley) Date: Wed, 10 Nov 2004 14:21:13 -0300 Subject: [Diy_efi] Re: looking for help with a prom N82S181 Message-ID: --===============15155816096991992== Content-Type: Multipart/Alternative; boundary="------------Boundary-00=_T14ZQL80000000000000" --------------Boundary-00=_T14ZQL80000000000000 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable never seen an Ohmmeter that delivered unlimited current...=0D Most modern DVM's have a standard ohms setting which supplies minimal current (micro-amps) and a "diode" setting that supplies 3V or so to ensu= re diode junctions are biased on for testing... I have been playing with TT= L, CMOS and discrete devices for 30 years and never has anything been damage= d by measuring in a circuit with an ohmmeter... =0D =0D -------Original Message-------=0D =0D From: Phil Hunter=0D Date: 11/10/04 12:12:20=0D To: diy_efi at diy-efi.org=0D Subject: [Diy_efi] Re: looking for help with a prom N82S181=0D =0D (Ludis Langens wrote:)=0D =0D > My instructions to Marcello are: Pull out an ohm meter. Find what pin= s.. =0D =0D NO!!! This is a good way to destroy ICs. Ohm meters have a voltage across= =0D the leads, this voltage can turn on internal diode junctions and the=0D resulting "unlimited" current can destory devices anywhere along the trac= e.=0D =0D rgds,=0D philh=0D =0D _______________________________________________=0D diy_efi mailing list=0D diy_efi at diy-efi.org=0D http://lists.diy-efi.org/mailman/listinfo/diy_efi --------------Boundary-00=_T14ZQL80000000000000 Content-Type: Text/HTML; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

never seen an Ohmmeter that delivered unlimited current...

Most modern DVM's have a standard ohms setting which supplies minima= l current (micro-amps) and a "diode" setting that supplies 3V or so to en= sure diode junctions are biased on for testing... I have been playi= ng with TTL, CMOS and discrete devices for 30 years and never has anythin= g been damaged by measuring in a circuit with an ohmmeter...

-------Original Message-------

From: Phil Hunter

Date: 11/10/04 12:= 12:20

To: diy_efi at diy-efi.org

Subject: [Diy_efi]= Re: looking for help with a prom N82S181

(Ludis Langens wrote:)

> My instructions to Marcello are: Pull out an ohm met= er. Find what pins...

NO!!! This is a good way to destroy ICs. Ohm meters have a voltage a= cross

the leads, this voltage can turn on internal diode junctions and the=

resulting "unlimited" current can destory devices anywhere along the= trace.

rgds,

philh

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diy_efi mailing list

diy_efi at diy-efi.org

http:/= /lists.diy-efi.org/mailman/listinfo/diy_efi

--------------Boundary-00=_T14ZQL80000000000000-- --===============15155816096991992== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --===============15155816096991992==-- From cmerrill at shaw.ca Wed Nov 10 23:35:54 2004 From: cmerrill at shaw.ca (Chris Merrill) Date: Wed, 10 Nov 2004 20:35:54 -0300 Subject: [Diy_efi] VW G60 Digifant 1 e-prom reprogramming Message-ID: This is a multi-part message in MIME format. --===============88935364776535031== Content-type: multipart/alternative; boundary="----=_NextPart_000_0071_01C4C742.928BA210" This is a multi-part message in MIME format. ------=_NextPart_000_0071_01C4C742.928BA210 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable I am wondering if anyone out there has information on how the Digifant 1 = ecu is mapped. I have downloaded the info from the e-prom but I don't = know what any of it does. I would like to be able to adjust the timing = and fuel maps then re-write the chip. Any help would be most appreciated. Thanks. ------=_NextPart_000_0071_01C4C742.928BA210 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

I am wondering if anyone out there has = information=20 on how the Digifant 1 ecu is mapped. I have downloaded the info = from the=20 e-prom but I don't know what any of it does. I would like to be = able to=20 adjust the timing and fuel maps then re-write the chip.

Any help would be most = appreciated.

Thanks.

------=_NextPart_000_0071_01C4C742.928BA210-- --===============88935364776535031== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --===============88935364776535031==-- From ludis at cruzers.com Thu Nov 11 06:41:21 2004 From: ludis at cruzers.com (Ludis Langens) Date: Thu, 11 Nov 2004 03:41:21 -0300 Subject: [Diy_efi] Re: looking for help with a prom N82S181 Message-ID: > David Cooley wrote: > > never seen an Ohmmeter that delivered unlimited current... > Most modern DVM's have a standard ohms setting which supplies minimal > current (micro-amps) and a "diode" setting that supplies 3V or so to > ensure diode junctions are biased on for testing... I have been > playing with TTL, CMOS and discrete devices for 30 years and never > has anything been damaged by measuring in a circuit with an > ohmmeter... > > -------Original Message------- > > From: Phil Hunter > Date: 11/10/04 12:12:20 > To: diy_efi at diy-efi.org > Subject: [Diy_efi] Re: looking for help with a prom N82S181 > > NO!!! This is a good way to destroy ICs. Ohm meters have a voltage > across > the leads, this voltage can turn on internal diode junctions and the > resulting "unlimited" current can destory devices anywhere along the > trace. My ohmmeter uses voltages in the range 0 to 0.2 volts for measuring resistance.** This is low enough that any silicon (or germanium!) junctions are never forward biased. This means that any such junction is an open circuit to the ohmmeter. It also means that the circuit cannot be damaged. ** It applies a constant current of the correct amount to generate that much voltage drop across a resistor in the currently selected range. This means that the actual display part of the meter is simply running in voltage readout mode. -- Ludis Langens ludis (at) cruzers (dot) com Mac, Fiero, & engine controller goodies: http://www.cruzers.com/~ludis/ _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From mbelloli at speedymotorsports.com Thu Nov 11 09:49:54 2004 From: mbelloli at speedymotorsports.com (mbelloli at speedymotorsports.com) Date: Thu, 11 Nov 2004 06:49:54 -0300 Subject: [Diy_efi] Re: looking for help with a prom N82S181 Message-ID: Hello again, First in updating my website page, an error in the marking of traces in my picture didn't get updated. It is now fixed, and pin 18 is correctly traced. I really want to thank everyone for the input. Now I would just like to quickly respond to the question of using a modern dvom in a cmos/ttl circuit for ohm readings. (Ludis Langens wrote:) > My instructions to Marcello are: Pull out an ohm meter. Find what >pins... (phil hunter wrote:) >NO!!! This is a good way to destroy ICs. Ohm meters have a voltage across >the leads, this voltage can turn on internal diode junctions and the >resulting "unlimited" current can destory devices anywhere along the trace. > >rgds, >philh I'm guessing phil was talking about working on a live circuit. In that situation I would agree with Phil. In an unpowered circuit, I don't see the problem. Yes a gate might be activated, but there is no potential behind the gate to worry about. So I'm going to say both people are right depending on the whether the circuit is power at the time. I never realized this was going to be as much a learning experience as it has become. In trying to understand the information that Steve, and Ludis have provided I am truly wanting more than just getting this thing working. I want to understand it. I have never had the opportunity, nor the need to look at these signals before. Now that I have, my mind is never going to be at peace until I fully understand exactly what is going on. Pin 18 (/CE - chip enable on the 2716) held to 5v - I understand that one. And yes it is at 5volts always. So pull this to ground instead. Enabling the chip. Pin 19 (a10 on the 2716) which I was saying was noise - isn't is it? Now from what Steve was saying, and please correct me if I am wrong, is that only half of the signal is usable? When at Vcc ok, but when at Gnd I am going to have a problem when hooked to a 2716 eprom. So only half of the time this signal would be usable. Is that what was being said? So this signal is of no use to me with the 2716. Instead wire it to Vcc, or Gnd depending on which bank I want all my reading to be done from. Pin 20 (/oe - output enable on the 2716) Pass through unchanged. Here I have the correct signal to enable the output of data to the bus. This is my true enable signal. It is good as it stands. When pulled low, enables the output phase of the 2716. Pin 21 (Vpp - programming power on the 2716) Shouldn't go to ground, or be toggled on the 2716. Pull to 5v and that should be all that is necessary at this pin. We're not programming. I'm I getting this right? Or do I need to be using that signal on pin 19? Can I not just pull pin 18 to ground enabling the chip always, but not allow the output to be enabled except when pin 20 is pulled to ground? That would stop bus confliction wouldn't it? I still have a lot to learn. Thanks, Marcello A. Belloli link to my page http://home.comcast.net/~hexibot43/MarcellosPage.htm _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From Steve.Ravet at arm.com Fri Nov 12 04:18:46 2004 From: Steve.Ravet at arm.com (Steve Ravet) Date: Fri, 12 Nov 2004 01:18:46 -0300 Subject: [Diy_efi] Re: looking for help with a prom N82S181 Message-ID: > Pin 18 (/CE - chip enable on the 2716) held to 5v - I=20 > understand that one. > And yes it is at 5volts always. So pull this to ground instead.=20 > Enabling the chip. yup >=20 > Pin 19 (a10 on the 2716) which I was saying was noise - isn't=20 > is it? Now > from what Steve was saying, and please correct me if I am=20 > wrong, is that only half of the signal is usable? When at=20 > Vcc ok, but when at Gnd I am going to have a problem when=20 > hooked to a 2716 eprom. So only half of the time this signal=20 > would be usable. Is that what was being said? So this=20 > signal is of no use to me with the 2716. Instead wire it to=20 > Vcc, or Gnd depending on which bank I want all my reading to=20 > be done from. Looks like a clock to me, but I don't know why a clock would be = connected to a chip enable. >=20 > Pin 20 (/oe - output enable on the 2716) Pass through=20 > unchanged. Here I have the correct signal to enable the=20 > output of data to the bus. This is my true enable signal. =20 > It is good as it stands. When pulled low, enables the output=20 > phase of the 2716. Yup >=20 > Pin 21 (Vpp - programming power on the 2716) Shouldn't go to=20 > ground, or > be toggled on the 2716. Pull to 5v and that should be all that is > necessary at this pin. We're not programming. yup. --steve _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From ludis at cruzers.com Fri Nov 12 06:42:44 2004 From: ludis at cruzers.com (Ludis Langens) Date: Fri, 12 Nov 2004 03:42:44 -0300 Subject: [Diy_efi] Re: looking for help with a prom N82S181 Message-ID: Steve Ravet wrote: > > > Pin 19 (a10 on the 2716) which I was saying was noise - isn't > > is it? Now > > from what Steve was saying, and please correct me if I am > > wrong, is that only half of the signal is usable? When at > > Vcc ok, but when at Gnd I am going to have a problem when > > hooked to a 2716 eprom. So only half of the time this signal > > would be usable. Is that what was being said? So this > > signal is of no use to me with the 2716. Instead wire it to > > Vcc, or Gnd depending on which bank I want all my reading to > > be done from. > > Looks like a clock to me, but I don't know why a clock would be connected to a chip enable. It might be the E clock. It is common in 68xx and 65xx designs to include this in the chip select logic. This insures that the device is only driving the bus when the address is stable. For a read only memory, this shouldn't matter much. -- Ludis Langens ludis (at) cruzers (dot) com Mac, Fiero, & engine controller goodies: http://www.cruzers.com/~ludis/ _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From mbelloli at speedymotorsports.com Fri Nov 12 07:25:30 2004 From: mbelloli at speedymotorsports.com (mbelloli at speedymotorsports.com) Date: Fri, 12 Nov 2004 04:25:30 -0300 Subject: [Diy_efi]Re: looking for help with a prom N82S181] Message-ID: >---------------------------- Original Message ---------------------------- >Subject: RE: [Diy_efi] Re: looking for help with a prom N82S181 >From: "Steve Ravet" >Date: Thu, November 11, 2004 11:16 pm >To: "A list for Do-It-Yourself EFI" >-------------------------------------------------------------------------- > > Pin 18 (/CE - chip enable on the 2716) held to 5v - I > understand that one. > And yes it is at 5volts always. So pull this to ground instead. > Enabling the chip. > >yup > >> >> Pin 19 (a10 on the 2716) which I was saying was noise - isn't >> is it? Now >> from what Steve was saying, and please correct me if I am >> wrong, is that only half of the signal is usable? When at >> Vcc ok, but when at Gnd I am going to have a problem when >> hooked to a 2716 eprom. So only half of the time this signal >> would be usable. Is that what was being said? So this >> signal is of no use to me with the 2716. Instead wire it to >> Vcc, or Gnd depending on which bank I want all my reading to >> be done from. > >Looks like a clock to me, but I don't know why a clock would be connected >to a chip enable. > >> >> Pin 20 (/oe - output enable on the 2716) Pass through >> unchanged. Here I have the correct signal to enable the >> output of data to the bus. This is my true enable signal. >> It is good as it stands. When pulled low, enables the output >> phase of the 2716. > >Yup > >> >> Pin 21 (Vpp - programming power on the 2716) Shouldn't go to >> ground, or >> be toggled on the 2716. Pull to 5v and that should be all that is >>necessary at this pin. We're not programming. > >yup. > >--steve Ok, tomorrow if I can get the customer to do a drive by, I'll try putting my chip in again. And let everyone know what happened. I'll also take a pic of the mainboard, and take a look for a 16 pin dip seeing if it is attached to pin 20. I've been trying to find some more information on the net - samples of data line traces for memory chips. Anybody have any good ideas? I really want to get this under my belt. Hardware has become my hobby now that I have "Hobby Engineering" right next door to the shop I work. www.hobbyengineering.com I just bought a pic programmer, and a couple pic chips to play with, and as soon as he gets some of the protoboards to together I'll be seeing what I can do with pic chips. They look like a lot of fun. I am thinking of doing a bank switching board so I can change between a couple different bins on the fly. Does anybody have any experience with this? I have it working to a point right now. You have to switch while the power is if, or you'll get a check engine lamp. I was hoping if I wrote all the chips based off the same base chip - I could simply switch between them while driving seemlessly. The computer would be unaware of the switch. If I'm understanding what I've learned with N82S181, there is time period where the rom is not active, and it would be during this time that I would switch to a different bank. As long as I did it in this time where the rom wasn't being read I should be ok, right??? I had used a rotary switch for my first model...and then I read about bounceless switches. Oops. I hadn't thought about the noise a switch produces, and how that would effect my circuit. And so, I am now learning the Pic processor with a bounceless switch routine. digital controls for digital circuits. Thanks everyone for the help you've given. Hopefully tomorrow I'll be able to give everyone a thumbs up. Thanks, Marcello _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From mbelloli at speedymotorsports.com Fri Nov 12 07:46:33 2004 From: mbelloli at speedymotorsports.com (mbelloli at speedymotorsports.com) Date: Fri, 12 Nov 2004 04:46:33 -0300 Subject: [Diy_efi] Re: looking for help with a prom N82S181 Message-ID: > Steve Ravet wrote: >> >> > Pin 19 (a10 on the 2716) which I was saying was noise - isn't >> > is it? Now >> > from what Steve was saying, and please correct me if I am >> > wrong, is that only half of the signal is usable? When at >> > Vcc ok, but when at Gnd I am going to have a problem when >> > hooked to a 2716 eprom. So only half of the time this signal >> > would be usable. Is that what was being said? So this >> > signal is of no use to me with the 2716. Instead wire it to >> > Vcc, or Gnd depending on which bank I want all my reading to >> > be done from. >> >> Looks like a clock to me, but I don't know why a clock would be >> connected to a chip enable. > > It might be the E clock. It is common in 68xx and 65xx designs to > include this in the chip select logic. This insures that the device is > only driving the bus when the address is stable. For a read only > memory, this shouldn't matter much. Ludis, I'm following you. Now looking at that waveform trace it never reaches ground, nor vcc. When is the logic true? This is what I'm not following. Is there a voltage threashold that needs to be considered? Something like the o2 voltage on a gm car crossing the .42 volt threashold? Thanks, Marcello > > -- > Ludis Langens ludis (at) cruzers (dot) com > Mac, Fiero, & engine controller goodies: http://www.cruzers.com/~ludis/ _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From mbelloli at speedymotorsports.com Sat Nov 13 07:13:31 2004 From: mbelloli at speedymotorsports.com (mbelloli at speedymotorsports.com) Date: Sat, 13 Nov 2004 04:13:31 -0300 Subject: [Diy_efi] Re: looking for help with a prom N82S181 Message-ID: Alright! Customer brought their Truck back today, and I was given enough time to try my new eprom with adapter. It Works!!! And the resulting emissions readings were very surprising. I'll be adding to my webpage over the weekend filling it all out. But I've got some of the info already up. I've got listings of the after repairs emissions. And I did follow the trace for the chip enable pin and it did go right to a 16 pin dip! The check engine lamp being out was the first clue. But the best part is there doesn't seem to be any loss in power, and honestly I believe it is better than it was. And the emissions are well within the limits now. I swear co2 went up! I truly want to thank everyone that helped me. On to the next project! Thanks, Marcello A. Belloli My webpage http://home.comcast.net/~hexibot43/MarcellosPage.htm _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From ludis at cruzers.com Sat Nov 13 08:12:54 2004 From: ludis at cruzers.com (Ludis Langens) Date: Sat, 13 Nov 2004 05:12:54 -0300 Subject: [Diy_efi] Re: looking for help with a prom N82S181 Message-ID: mbelloli at speedymotorsports.com wrote: > > Ludis, I'm following you. Now looking at that waveform trace it > never reaches ground, nor vcc. When is the logic true? This is what > I'm not following. Is there a voltage threashold that needs to be > considered? Something like the o2 voltage on a gm car crossing the > .42 volt threashold? For TTL logic, the spec is that anything below 0.8v is a "0" and anything over 2.0v (or is it 2.4v?) is a "1". With MOS (CMOS, NMOS, PMOS) chips, the levels can be closer to the power supply rails, however, many MOS chips have adapted the TTL levels for compatibility. -- Ludis Langens ludis (at) cruzers (dot) com Mac, Fiero, & engine controller goodies: http://www.cruzers.com/~ludis/ _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From diy-efi-d at t-n-e.com Tue Nov 16 17:30:47 2004 From: diy-efi-d at t-n-e.com (Phil Hunter) Date: Tue, 16 Nov 2004 14:30:47 -0300 Subject: [Diy_efi] Message-ID: Using an ohmmeter to follow traces on a populated PWB/PCB is using the wrong tool for the job, akin to using pliers on a nut or a hammer to drive a screw. Yeah, you can do it, but we're talking ECMs here, things you probably don't want to fail miles from home because you initially damaged it some time earlier. Do a simple test if you have 2 Multimeters, set one as an ohmmeter, the second as a voltmeter, and measure the voltage across the ohmmeter's leads, note the polarity also. Switch through the ranges, and notice how the voltage changes. Often the highest voltage is on the lowest scale, the one you would likely use to follow a trace. Now reconfigure the voltmeter as an ammeter and measure the current. A "perfect" ammeter would be a dead-short, so we're measuring the maximum current from the ohmmeter for that range. Most every time I can figure out where a trace goes just by looking at it w/ a strong back light. Even 4 layer boards, w/ power and ground internally, are fairly easy to follow since the traces generally do not change direction much except at a feed-thru. Same holds for traces under IC's, if there are no feed-thrus in line w/ it, the trace generally comes out straight across from where it went in or it went to one of the near-by pins. My thunk on what ought to be done is to come up w/ a DIY Continuity Tester. Something that, say, puts out 0.1 Volts w/ an output resistance of 1Mohm for the source. Not enough voltage to forward bias virtually anything, and only 0.1 microAmps current if it does. For finding the other end of the trace, use a comparator w/ a threshold set at 0.05V to drive an LED. Anything below 0.05V, you're not on the same trace and the LED is out. Above that, you're on the right wire and the LED lights up. rgds, philh _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From ludis at cruzers.com Wed Nov 17 06:37:16 2004 From: ludis at cruzers.com (Ludis Langens) Date: Wed, 17 Nov 2004 03:37:16 -0300 Subject: [Diy_efi] Ohmmeters & DIY-CT ( was Re: looking for help with a Message-ID: Phil Hunter wrote: > > Do a simple test if you have 2 Multimeters, set one as an ohmmeter, > the second as a voltmeter, and measure the voltage across the ohmmeter's > leads, note the polarity also. [...] > > My thunk on what ought to be done is to come up w/ a DIY Continuity Tester. > Something that, say, puts out 0.1 Volts w/ an output resistance of 1Mohm > for the source. You need to get a better ohmmeter. Your idea for a continuity tester is almost exactly what my old Heathkit DVOM applies to the circuit being measured. -- Ludis Langens ludis (at) cruzers (dot) com Mac, Fiero, & engine controller goodies: http://www.cruzers.com/~ludis/ _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From mfrels at ix.netcom.com Wed Nov 17 12:38:52 2004 From: mfrels at ix.netcom.com (Mike Frels) Date: Wed, 17 Nov 2004 09:38:52 -0300 Subject: OT Heathkit, Was: Re: [Diy_efi] Ohmmeters & DIY-CT ( was Re: Message-ID: Did you build it yourself? I remember my dad assembling many test tools from them. Back in the '60s and '70s that is. FYI some nostalgia in case your interested: http://www.heathkit-museum.com/ -----Original Message----- From: Ludis Langens Sent: Nov 17, 2004 12:38 AM To: A list for Do-It-Yourself EFI Subject: Re: [Diy_efi] Ohmmeters & DIY-CT ( was Re: looking for help with a prom N82S181) Your idea for a continuity tester is almost exactly what my old Heathkit DVOM applies to the circuit being measured. -- Ludis Langens ludis (at) cruzers (dot) com _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From hilkaa at racsa.co.cr Wed Nov 17 19:39:01 2004 From: hilkaa at racsa.co.cr (=?iso-8859-1?Q?Electr=F3nica_del_Autom=F3vil?=) Date: Wed, 17 Nov 2004 16:39:01 -0300 Subject: [Diy_efi] Delco IC Message-ID: This is a multi-part message in MIME format. --===============73377356836595908== Content-type: multipart/alternative; boundary="Boundary_(ID_wJDP7Wc1P3ST27BX5qrBGw)" This is a multi-part message in MIME format. --Boundary_(ID_wJDP7Wc1P3ST27BX5qrBGw) Content-type: text/plain; charset=iso-8859-1 Content-transfer-encoding: 7BIT Hello members: Do any one of you have information about this IC ? DELCO 169F 16214851 (23 pins) I guess is a driver (transistor array maybe) it controls check engine light, A/C relay activation, fuel gauge Do you know where to find a replace of it ? Thanks, you can e-mail me: Daniel hilkaa at racsa.co.cr --Boundary_(ID_wJDP7Wc1P3ST27BX5qrBGw) Content-type: text/html; charset=iso-8859-1 Content-transfer-encoding: 7BIT

Hello members:

Do any one of you have information about this IC ?

DELCO

169F

16214851 (23 pins)

I guess is a driver (transistor array maybe) it controls check engine light, A/C relay activation, fuel gauge

Do you know where to find a replace of it ?

Thanks, you can e-mail me:

Daniel

hilkaa at racsa.co.cr

--Boundary_(ID_wJDP7Wc1P3ST27BX5qrBGw)-- --===============73377356836595908== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --===============73377356836595908==-- From Steve.Ravet at arm.com Thu Nov 18 19:14:11 2004 From: Steve.Ravet at arm.com (Steve Ravet) Date: Thu, 18 Nov 2004 16:14:11 -0300 Subject: [Diy_efi] Delco IC Message-ID: Don't know what that is, but if you put the part number into google = it'll link you to plenty of IC vendors that claim to have it in stock. --steve ________________________________ From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] = On Behalf Of Electr=F3nica del Autom=F3vil Sent: Wednesday, November 17, 2004 10:01 AM To: diy_efi at diy-efi.org Subject: [Diy_efi] Delco IC =09 =09 Hello members: =20 Do any one of you have information about this IC ? =20 DELCO 169F 16214851 (23 pins) =20 I guess is a driver (transistor array maybe) it controls check engine = light, A/C relay activation, fuel gauge =20 Do you know where to find a replace of it ?=20 =20 Thanks, you can e-mail me: =20 Daniel =20 hilkaa at racsa.co.cr =09 _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From knickm at gmx.net Sat Nov 20 13:15:25 2004 From: knickm at gmx.net (Jens Knickmeyer) Date: Sat, 20 Nov 2004 10:15:25 -0300 Subject: [Diy_efi] Momomotronic lambda terror Message-ID: Hi all, i drive a '92 Volkswagen Polo. This car is equipped with a Bosch Monomotronic, it is not OBD2 compliant. Since three weeks, I have trouble with that car and can't find a solution. This is why I ask here for some assistance. Symptoms: I use a lambda display (the LED knight rider solution). The engine is running much to rich. When I drive with constant speed and then switch to idle (e.g. when stopping in front of a traffic light), the engine immediately runs rich (0.9 V) and stays there for at least 20 seconds, sometimes even for one minute. This also happens when I use fuel cut-off before running idle. I checked that to make sure that the EGO does not measure some gases left in the exhaust pipe. When driving with constant speed and revs, the lamda readout is quite strange in my opinion. Former drivings with lamda display connected showed a very well controlling engine, i.e. the light moved to rich, stayed there (exactly one LED on), then moved to lean, stayed there (exactly one LED on), and so on. Now, the changes between lean and rich are performed much faster, and furthermore, the LEDs flicker like crazy. Even being at the rich or lean point where the engine stays for approx. 1 second, 2 or 3 LEDs on the lean/rich end of the scale are flickering. This flicker happens even when performing the movement from rich to lean or vice versa. It deteriorates when I accellerate (preventing the engine from WOT enrichment, of course). I already saw the LEDs flicker so much that the visual effect was as if 8 LEDs were on. On the other hand, both fuel cut-off and WOT enrichment work correctly. This drives me crazy, esp. because in few cases, the engine tends to stall when running idle. I've already - cleaned throttle plate potentiometer - changed coolant temperature sensor - checked air temperature sensor - changed EGO sensor - changed ECU - cleared ECU's adaption values - read DTC via Volkswagen protocol (no DTC were found) - performed actor tests via Volkswagen protocol (everything worked fine) - checked injector So far, so bad, because now I have no further ideas, and that is why I ask on this list for any suggestions what to do. Has anyone had such a bl**dy behaviour of a Monomotronic euqipped car? Thanks for any help, Jens Knickmeyer _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From turbo at mustangs.com Sat Nov 20 15:52:00 2004 From: turbo at mustangs.com (Dana Scott) Date: Sat, 20 Nov 2004 12:52:00 -0300 Subject: [Diy_efi] Momomotronic lambda terror Message-ID: My guess is that you have lost a ground connection somewhere. I would also do a check on the lambda readout. A pot across a 1.5V battery should work well as a test input. -Dana ----- Original Message ----- Subject: [Diy_efi] Momomotronic lambda terror > Hi all, > > i drive a '92 Volkswagen Polo. This car is equipped with a Bosch > Monomotronic, it is not OBD2 compliant. Since three weeks, I have trouble > with that car and can't find a solution. This is why I ask here for some > assistance. > > Symptoms: > I use a lambda display (the LED knight rider solution). The engine is > running much to rich. When I drive with constant speed and then switch to > idle (e.g. when stopping in front of a traffic light), the engine > immediately runs rich (0.9 V) and stays there for at least 20 seconds, > sometimes even for one minute. This also happens when I use fuel cut-off > before running idle. I checked that to make sure that the EGO does not > measure some gases left in the exhaust pipe. > > When driving with constant speed and revs, the lamda readout is quite > strange in my opinion. Former drivings with lamda display connected showed > a > very well controlling engine, i.e. the light moved to rich, stayed there > (exactly one LED on), then moved to lean, stayed there (exactly one LED > on), > and so on. Now, the changes between lean and rich are performed much > faster, > and furthermore, the LEDs flicker like crazy. Even being at the rich or > lean > point where the engine stays for approx. 1 second, 2 or 3 LEDs on the > lean/rich end of the scale are flickering. > This flicker happens even when performing the movement from rich to lean > or > vice versa. It deteriorates when I accellerate (preventing the engine from > WOT enrichment, of course). I already saw the LEDs flicker so much that > the > visual effect was as if 8 LEDs were on. > On the other hand, both fuel cut-off and WOT enrichment work correctly. > > This drives me crazy, esp. because in few cases, the engine tends to stall > when running idle. > > I've already > - cleaned throttle plate potentiometer > - changed coolant temperature sensor > - checked air temperature sensor > - changed EGO sensor > - changed ECU > - cleared ECU's adaption values > - read DTC via Volkswagen protocol (no DTC were found) > - performed actor tests via Volkswagen protocol (everything worked fine) > - checked injector > > So far, so bad, because now I have no further ideas, and that is why I ask > on this list for any suggestions what to do. Has anyone had such a bl**dy > behaviour of a Monomotronic euqipped car? > > Thanks for any help, > > Jens Knickmeyer _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From mbelloli at speedymotorsports.com Sun Nov 21 00:33:33 2004 From: mbelloli at speedymotorsports.com (mbelloli at speedymotorsports.com) Date: Sat, 20 Nov 2004 21:33:33 -0300 Subject: [Diy_efi] Momomotronic lambda terror Message-ID: I would agree with Dana. Many times I've seen these kind of readings from a lamda sensor. Well This is what You'd see if you were looking at it like the computer does, using a scan tool. An open ground to the EGO sensor will end up leaving nothing but the signal originated from the computer on the signal line. It will appear to switch back and fourth dramatically, because the voltage is sitting right on the threshold of rich/lean reading. In fact the computer is not getting any input from the EGO at all because the circuit is not completed to ground in the computer. A reall good way to test this is take the signal wire leading to the lamda sensor and with the key on engine off, hold that wire in one hand while touch the positive and negative battery terminals of the battery with a finger of the other hand. Use yourself as the tool. And watch the lamda gauge you have. It should be very clearly moving to full rich, and to full ean reading. If not the path to ground path is missing. Good Luck, Marcello > My guess is that you have lost a ground connection somewhere. > I would also do a check on the lambda readout. A pot across a 1.5V battery > should work well as a test input. > -Dana > > ----- Original Message ----- > Subject: [Diy_efi] Momomotronic lambda terror > > >> Hi all, >> >> i drive a '92 Volkswagen Polo. This car is equipped with a Bosch >> Monomotronic, it is not OBD2 compliant. Since three weeks, I have >> trouble >> with that car and can't find a solution. This is why I ask here for some >> assistance. >> >> Symptoms: >> I use a lambda display (the LED knight rider solution). The engine is >> running much to rich. When I drive with constant speed and then switch >> to >> idle (e.g. when stopping in front of a traffic light), the engine >> immediately runs rich (0.9 V) and stays there for at least 20 seconds, >> sometimes even for one minute. This also happens when I use fuel cut-off >> before running idle. I checked that to make sure that the EGO does not >> measure some gases left in the exhaust pipe. >> >> When driving with constant speed and revs, the lamda readout is quite >> strange in my opinion. Former drivings with lamda display connected >> showed >> a >> very well controlling engine, i.e. the light moved to rich, stayed there >> (exactly one LED on), then moved to lean, stayed there (exactly one LED >> on), >> and so on. Now, the changes between lean and rich are performed much >> faster, >> and furthermore, the LEDs flicker like crazy. Even being at the rich or >> lean >> point where the engine stays for approx. 1 second, 2 or 3 LEDs on the >> lean/rich end of the scale are flickering. >> This flicker happens even when performing the movement from rich to lean >> or >> vice versa. It deteriorates when I accellerate (preventing the engine >> from >> WOT enrichment, of course). I already saw the LEDs flicker so much that >> the >> visual effect was as if 8 LEDs were on. >> On the other hand, both fuel cut-off and WOT enrichment work correctly. >> >> This drives me crazy, esp. because in few cases, the engine tends to >> stall >> when running idle. >> >> I've already >> - cleaned throttle plate potentiometer >> - changed coolant temperature sensor >> - checked air temperature sensor >> - changed EGO sensor >> - changed ECU >> - cleared ECU's adaption values >> - read DTC via Volkswagen protocol (no DTC were found) >> - performed actor tests via Volkswagen protocol (everything worked fine) >> - checked injector >> >> So far, so bad, because now I have no further ideas, and that is why I >> ask >> on this list for any suggestions what to do. Has anyone had such a >> bl**dy >> behaviour of a Monomotronic euqipped car? >> >> Thanks for any help, >> >> Jens Knickmeyer > > > _______________________________________________ > diy_efi mailing list > diy_efi at diy-efi.org > http://lists.diy-efi.org/mailman/listinfo/diy_efi > _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From seth at msrphoto.com Tue Nov 23 22:14:44 2004 From: seth at msrphoto.com (Seth Rossman) Date: Tue, 23 Nov 2004 19:14:44 -0300 Subject: [Diy_efi] ECU for GM 91 S-10 2.5E? Message-ID: Hi- Does anyone know if there is an ECU out there for the 91 GMC/Chev S-10/15 2.5E? It has the Rochester TBI 700 on it. Not even air conditioned, so something simple would do. TIA, Seth _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From hillebrand1 at adelphia.net Tue Nov 23 23:08:19 2004 From: hillebrand1 at adelphia.net (Nick Hillebrand) Date: Tue, 23 Nov 2004 20:08:19 -0300 Subject: [Diy_efi] ECU for GM 91 S-10 2.5E? Message-ID: Seth, Check ebay if you haven't already (no, seriously). I just checked for some parts for my tbi conversion for my toyota land cruiser and found alot to help. give it a shot. -Nick ----- Original Message ----- From: "Seth Rossman" To: Sent: Tuesday, November 23, 2004 3:11 PM Subject: [Diy_efi] ECU for GM 91 S-10 2.5E? > Hi- > > Does anyone know if there is an ECU out there for the 91 GMC/Chev S-10/15 > 2.5E? > It has the Rochester TBI 700 on it. Not even air conditioned, so something > simple would do. > > TIA, > > Seth > > _______________________________________________ > diy_efi mailing list > diy_efi at diy-efi.org > http://lists.diy-efi.org/mailman/listinfo/diy_efi _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From BMcMahan at superchips.com Wed Nov 24 13:14:25 2004 From: BMcMahan at superchips.com (Brian McMahan) Date: Wed, 24 Nov 2004 10:14:25 -0300 Subject: [Diy_efi] Nitrous/alcohol injection... Message-ID: This is a multi-part message in MIME format. --===============82475535978147718== Content-class: urn:content-classes:message Content-Type: multipart/alternative; boundary="----_=_NextPart_001_01C4D227.2C813B41" This is a multi-part message in MIME format. ------_=_NextPart_001_01C4D227.2C813B41 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable What are you guys thoughts on nitrous/alcohol injection? The engine is a = 2.0 liter DOHC with variable valve timing fully built internally = balanced/sleeved etc.. 12.4:1 compression ratio. Basically the plan is = to have a separate fuel system for the fuel side of the direct port = system which will utilize alcohol to reduce cylinder temperatures. = Basically I'm trying to figure out what pressure to keep the alcohol = line at and I'm trying to figure out what affects that will have on = air/fuel ratio for tuning. What is already known is that the fuel jets = will have to be exactly doubled as compared to traditional gasoline and = given the combustion characteristics the timing will have to be reduced = 1-1.8 degree per 100hp instead of 0.8-1.0 degrees retard. The idealistic = figure is 150hp single stage. Since I'm using individual throttle bodies = without a stock location the nitrous nozzles (pro shot fogger) will be = placed directly in the intake runner facing the back of the intake = valve. What are your thoughts? Thanks in advance... Brian Mcmahan=20 =20 ------_=_NextPart_001_01C4D227.2C813B41 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

What = are you=20 guys thoughts on nitrous/alcohol injection? The engine is a 2.0 liter = DOHC with=20 variable valve timing fully built internally balanced/sleeved etc.. = 12.4:1=20 compression ratio. Basically the plan is to have a separate fuel system = for the=20 fuel side of the direct port system which will utilize alcohol to reduce = cylinder temperatures. Basically I'm trying to figure out what pressure = to keep=20 the alcohol line at and I'm trying to figure out what affects that will = have on=20 air/fuel ratio for tuning. What is already known is that the fuel jets = will have=20 to be exactly doubled as compared to traditional gasoline and given the=20 combustion characteristics the timing will have to be reduced 1-1.8 = degree per=20 100hp instead of 0.8-1.0 degrees retard. The idealistic figure is 150hp = single=20 stage. Since I'm using individual throttle bodies without a stock = location the=20 nitrous nozzles (pro shot fogger) will be placed directly in the intake = runner=20 facing the back of the intake valve. What are your thoughts? Thanks in=20 advance...

Brian Mcmahan =

------_=_NextPart_001_01C4D227.2C813B41-- --===============82475535978147718== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --===============82475535978147718==-- From rogerancarol at cox.net Wed Nov 24 18:57:50 2004 From: rogerancarol at cox.net (RogeranCarol) Date: Wed, 24 Nov 2004 15:57:50 -0300 Subject: [Diy_efi] rich/lean and O2. Message-ID: This is a multi-part message in MIME format. --===============47864600040302108== Content-Type: multipart/alternative; boundary="----=_NextPart_000_0007_01C4D214.12D6C360" This is a multi-part message in MIME format. ------=_NextPart_000_0007_01C4D214.12D6C360 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Have a problem I just can't get a handle on! Just installed 5.7L = TBinjected chevy into my Cherokee and can't get the engine to run = "closed loop". O2 sensor appears ok, but output at idle is .800+ volts, = steady, and rapidly drops to .o25v, steady, above idle. I'm experiencing = "lean stumble" until engine is completely warmed up. My O2 readings are = the same at 140* engine temp as well as at 195* temp. My temp sensor = (CTS) reads 1v at 190*. My fuel pressure holds steady across the rpm = test range (625rpm to 2000rpm). My throttle position sensor reads .65 at idle and 4.8v at WOT. I can = drive the O2 reading up from .025 to .8+ by injecting propane into the = TB, and can get the .8+ reading at idle to drop to.45v by pulling the = pwr brake booster hose loose. The O2 signal from the ECM is .39v with = the O2 sensor disconnected. The ECM and PROM are new and appropriate for = the application (entirely stock). What have I overlooked? Any thoughts would be appreciated. Roger ------=_NextPart_000_0007_01C4D214.12D6C360 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Have a problem I just can't get a = handle on! Just=20 installed 5.7L TBinjected chevy into my Cherokee and can't get the = engine=20 to run "closed loop". O2 sensor appears ok, but output at idle is .800+ = volts,=20 steady, and rapidly drops to .o25v, steady, above idle. I'm experiencing = "lean=20 stumble" until engine is completely warmed up. My O2 readings are the = same at=20 140* engine temp as well as at 195* temp. My temp sensor (CTS) reads 1v = at 190*.=20 My fuel pressure holds steady across the rpm test range (625rpm to=20 2000rpm).

My throttle position sensor reads .65 = at idle and=20 4.8v at WOT. I can drive the O2 reading up from .025 to .8+ by injecting = propane=20 into the TB, and can get the .8+ reading at idle to drop to.45v by = pulling the=20 pwr brake booster hose loose. The O2 signal from the ECM is .39v with = the O2=20 sensor disconnected. The ECM and PROM are new and appropriate for the=20 application (entirely stock).

What have I overlooked? Any thoughts = would be=20 appreciated.

Roger

------=_NextPart_000_0007_01C4D214.12D6C360-- --===============47864600040302108== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --===============47864600040302108==-- From n5xmt at bellsouth.net Wed Nov 24 19:12:30 2004 From: n5xmt at bellsouth.net (David Cooley) Date: Wed, 24 Nov 2004 16:12:30 -0300 Subject: [Diy_efi] rich/lean and O2. Message-ID: --===============24933072230479825== Content-Type: Multipart/Alternative; boundary="------------Boundary-00=_ZJ6PQL80000000000000" --------------Boundary-00=_ZJ6PQL80000000000000 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable double check the grounds...=0D it's possible with a bad ground to the ECM that the ECM isn't truly seein= g the proper O2 sensor voltage... to it, .800v may be .450 at the O2 input.= =2E.=20 can you pick up the sensor voltages etc via the ALDL? (scantool) that wil= l show you exactly what the ECM is seeing=0D =0D =0D -------Original Message-------=0D =0D From: RogeranCarol=0D Date: 11/24/04 13:56:04=0D To: diy_efi at diy-efi.org=0D Subject: [Diy_efi] rich/lean and O2.=0D =0D Have a problem I just can't get a handle on! Just installed 5.7L TBinject= ed chevy into my Cherokee and can't get the engine to run "closed loop". O2 sensor appears ok, but output at idle is .800+ volts, steady, and rapidly drops to .o25v, steady, above idle. I'm experiencing "lean stumble" until engine is completely warmed up. My O2 readings are the same at 140* engin= e temp as well as at 195* temp. My temp sensor (CTS) reads 1v at 190*. My f= uel pressure holds steady across the rpm test range (625rpm to 2000rpm).=0D My throttle position sensor reads .65 at idle and 4.8v at WOT. I can driv= e the O2 reading up from .025 to .8+ by injecting propane into the TB, and = can get the .8+ reading at idle to drop to.45v by pulling the pwr brake boost= er hose loose. The O2 signal from the ECM is .39v with the O2 sensor disconnected. The ECM and PROM are new and appropriate for the applicatio= n (entirely stock).=0D =0D What have I overlooked? Any thoughts would be appreciated.=0D =0D Roger=0D =20 --------------Boundary-00=_ZJ6PQL80000000000000 Content-Type: Text/HTML; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

double check the grounds...

it's possible with a bad ground to the ECM that the ECM isn't truly = seeing the proper O2 sensor voltage... to it, .800v may be .450 at the O2= input... can you pick up the sensor voltages etc via the ALDL? (sc= antool) that will show you exactly what the ECM is seeing

-------Original Message-------

From: RogeranCarol

Date: 11/24/04 13:= 56:04

To: diy_efi at diy-efi.org

Subject: [Diy_efi]= rich/lean and O2.

Have a problem I just can't get a handle= on! Just installed 5.7L TBinjected chevy into my Cherokee and can't= get the engine to run "closed loop". O2 sensor appears ok, but output at= idle is .800+ volts, steady, and rapidly drops to .o25v, steady, above i= dle. I'm experiencing "lean stumble" until engine is completely warmed up= =2E My O2 readings are the same at 140* engine temp as well as at 195* te= mp. My temp sensor (CTS) reads 1v at 190*. My fuel pressure holds steady = across the rpm test range (625rpm to 2000rpm).

My throttle position sensor reads .65 at= idle and 4.8v at WOT. I can drive the O2 reading up from .025 to .8+ by = injecting propane into the TB, and can get the .8+ reading at idle to dro= p to.45v by pulling the pwr brake booster hose loose. The O2 signal from = the ECM is .39v with the O2 sensor disconnected. The ECM and PROM are new= and appropriate for the application (entirely stock).

What have I overlooked? Any thoughts wou= ld be appreciated.

Roger

--------------Boundary-00=_ZJ6PQL80000000000000-- --===============24933072230479825== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --===============24933072230479825==-- From ronin at aristotle.net Wed Nov 24 22:19:26 2004 From: ronin at aristotle.net (Dave Williams) Date: Wed, 24 Nov 2004 19:19:26 -0300 Subject: [Diy_efi] rich/lean and O2. Message-ID: David Cooley wrote: > double check the grounds... > it's possible with a bad ground to the ECM that the ECM isn't truly seeing > the proper O2 sensor voltage... The 7727 has a dedicated "O2 ground" wire. Others may as well. -- ===ronin at aristotle.net (Dave Williams)===================DoD #978=== == waiting, anticipating / for someone to save her soul / well, I == == ain't no new Messiah / but I'm close enough for rock and roll! == ========================== http://www.bacomatic.org/~dw/index.htm == _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From dzorde at erggroup.com Wed Nov 24 23:56:25 2004 From: dzorde at erggroup.com (Dan Zorde) Date: Wed, 24 Nov 2004 20:56:25 -0300 Subject: [Diy_efi] Holden VT Commodore ECU Message-ID: Hi, Fidling with a VT Commodore that seems to exhibit ECU problems. Does anyone know what is involved in programming a new ECU for a VT commodore. I was told that it must be done with the car as there is a body module that needs to be present during programming ?? Does this mean you can't just pull a 2nd hand ECU from a VT and shove into another VT to check if it is an ECU problem? Cheers Dan ERG Transit Systems 247 Balcatta Road Balcatta WA 6021 Australia Tel: + 61 8 9273 1558 Fax: +61 8 9273 1570 Email: dzorde at erggroup.com Website: www.erggroup.com _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From n5xmt at bellsouth.net Thu Nov 25 00:04:34 2004 From: n5xmt at bellsouth.net (David Cooley) Date: Wed, 24 Nov 2004 21:04:34 -0300 Subject: [Diy_efi] Holden VT Commodore ECU Message-ID: --===============16633071547019762== Content-Type: Multipart/Alternative; boundary="------------Boundary-00=_Q5KP6RO0000000000000" --------------Boundary-00=_Q5KP6RO0000000000000 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Assuming it is newer than 1996, to replace the ECU, the new one must be i= n place and flashed via the OBD-2 data port. that "marries" the box to the other control modules in the vehicle.=0D =0D =0D -------Original Message-------=0D =0D From: Dan Zorde=0D Date: 11/24/04 18:55:17=0D To: diy_efi at diy-efi.org=0D Subject: [Diy_efi] Holden VT Commodore ECU=0D =0D =0D =0D =0D Hi,=0D =0D Fidling with a VT Commodore that seems to exhibit ECU problems.=0D Does anyone know what is involved in programming a new ECU for a VT=0D commodore. I was told that it must be done with the car as there is a=0D body module that needs to be present during programming ??=0D Does this mean you can't just pull a 2nd hand ECU from a VT and shove=0D into another VT to check if it is an ECU problem?=0D =0D Cheers=0D =0D Dan=0D ERG Transit Systems=0D 247 Balcatta Road Balcatta WA 6021 Australia=0D Tel: + 61 8 9273 1558 Fax: +61 8 9273 1570=0D Email: dzorde at erggroup.com Website: www.erggroup.com=0D =0D _______________________________________________=0D diy_efi mailing list=0D diy_efi at diy-efi.org=0D http://lists.diy-efi.org/mailman/listinfo/diy_efi=0D =20 --------------Boundary-00=_Q5KP6RO0000000000000 Content-Type: Text/HTML; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Assuming it is newer than 1996, to replace the ECU, the new one must= be in place and flashed via the OBD-2 data port. that "marrie= s" the box to the other control modules in the vehicle.

-------Original Message-------

From: Dan Zorde

Date: 11/24/04 18:= 55:17

To: diy_efi at diy-efi.org

Subject: [Diy_efi]= Holden VT Commodore ECU

Hi,

Fidling with a VT Commodore that seems to exhibit ECU problems.

Does anyone know what is involved in programming a new ECU for a VT<= /DIV>

commodore. I was told that it must be done with the car a= s there is a

body module that needs to be present during programming ??

Does this mean you can't just pull a 2nd hand ECU from a VT and shov= e

into another VT to check if it is an ECU problem?

Cheers

Dan

ERG Transit Systems

247 Balcatta Road Balcatta WA 6021 Australia

Tel: + 61 8 9273 1558 Fax: +61 8 9273 1570

Email: dzorde at erggroup.com Website: www.erggroup.com

_______________________________________________

diy_efi mailing list

diy_efi at diy-efi.org

http:/= /lists.diy-efi.org/mailman/listinfo/diy_efi

--------------Boundary-00=_Q5KP6RO0000000000000-- --===============16633071547019762== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --===============16633071547019762==-- From mbelloli at speedymotorsports.com Thu Nov 25 05:35:46 2004 From: mbelloli at speedymotorsports.com (mbelloli at speedymotorsports.com) Date: Thu, 25 Nov 2004 02:35:46 -0300 Subject: [Diy_efi] rich/lean and O2. Message-ID: Roger, What are the BLM (Block Learn) and INT (Block Integrator) readings when cold and then again once warmed up? If it hesitates cold and then seems to be better warm - sounds to me like you are running too lean. Once in closed loop The BLM will tell you whether the computer is trying to compensate. A lot can be done with the fuel pressure on the GM TBI. 1/2 either way can make a very big difference. stock setting is 12psi and it is absolutely critical. Any deviation and foget everything else. The computer cannot compensate for it. The window that it works well is on about 1/4 lb either way from 12 psi. Do you have the stock cam that came with the engine that had the tbi on it? Any changes in CAM with throw everything way off. You'll have to make a chip with a new fuel map. Also what kind of MAP readings are you getting? Is it a very steady reading? You know a good thing to do if you can is get a CO reading at the tailpipe and use that to see if your o2 readings are making sense. a good running engine at 2500rpm should go to about .5% CO before the Catalytic, and the air injection off. So if the O2 is crossing rapidly, and your reading is much lower, or higher something is really wrong. I have a 350 chevrolet with a 89 TBI off a Chevrolet pickup in my 1970 Toyota Landcruiser. It runs great now, but took a lot of playing with the fuel map in the computer after I got everything else correct. The computer works great when you have everything on the money. But when the fuel trim map is off, the computer just doesn't have the ability to correct for it. At least that has been my experience. Marcello > Have a problem I just can't get a handle on! Just installed 5.7L > TBinjected chevy into my Cherokee and can't get the engine to run "closed > loop". O2 sensor appears ok, but output at idle is .800+ volts, steady, > and rapidly drops to .o25v, steady, above idle. I'm experiencing "lean > stumble" until engine is completely warmed up. My O2 readings are the same > at 140* engine temp as well as at 195* temp. My temp sensor (CTS) reads 1v > at 190*. My fuel pressure holds steady across the rpm test range (625rpm > to 2000rpm). > My throttle position sensor reads .65 at idle and 4.8v at WOT. I can drive > the O2 reading up from .025 to .8+ by injecting propane into the TB, and > can get the .8+ reading at idle to drop to.45v by pulling the pwr brake > booster hose loose. The O2 signal from the ECM is .39v with the O2 sensor > disconnected. The ECM and PROM are new and appropriate for the application > (entirely stock). > > What have I overlooked? Any thoughts would be appreciated. > > Roger_______________________________________________ > diy_efi mailing list > diy_efi at diy-efi.org > http://lists.diy-efi.org/mailman/listinfo/diy_efi > _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From PaulHelmuth at SprintMail.com Thu Nov 25 14:14:07 2004 From: PaulHelmuth at SprintMail.com (Paul Helmuth) Date: Thu, 25 Nov 2004 11:14:07 -0300 Subject: [Diy_efi] Several questions from a NEWBEE Message-ID: This is a multi-part message in MIME format. --===============34215966784366669== Content-Type: multipart/alternative; boundary="----=_NextPart_000_007C_01C4D2C6.94B98400" This is a multi-part message in MIME format. ------=_NextPart_000_007C_01C4D2C6.94B98400 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable All, I am new to the list and I have a few questions (I looked through some = of the archives, but wasn't finding what I was looking for). FUEL SYSTEM PARTS: I am working on a retro-fit EFI project and I need some advice on = sourcing fuel injection parts. Are there any good sources for generic = (non-OEM) fuel injection components?=20 I need all of the usual stuff: external fuel pump (maybe some kind of = pre-pump?), fuel line and fittings, pressure regulator, etc.=20 ENGINE POS: Any suggestions on options for retro-fitting an engine position sensor. = I have seen the cam wheels from Electromotive and that seems like my = best/only option so far, but thought someone on this list would have = other ideas. Thanks, -Paul ------=_NextPart_000_007C_01C4D2C6.94B98400 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

All,

I am new to the list and I have a few = questions (I=20 looked through some of the archives, but wasn't finding what I was = looking=20 for).

FUEL SYSTEM PARTS:

I am working on a retro-fit EFI project = and I need=20 some advice on sourcing fuel injection parts. Are there any good sources = for=20 generic (non-OEM) fuel injection components?

I need all of the usual stuff: external = fuel pump=20 (maybe some kind of pre-pump?), fuel line and fittings, pressure = regulator, etc.=20

ENGINE POS:

Any suggestions on options for = retro-fitting an=20 engine position sensor. I have seen the cam wheels from Electromotive = and that=20 seems like my best/only option so far, but thought someone on this list = would=20 have other ideas.

Thanks,

-Paul

------=_NextPart_000_007C_01C4D2C6.94B98400-- --===============34215966784366669== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --===============34215966784366669==-- From rogerancarol at cox.net Thu Nov 25 19:11:27 2004 From: rogerancarol at cox.net (RogeranCarol) Date: Thu, 25 Nov 2004 16:11:27 -0300 Subject: [Diy_efi] re: rich/lean and O2 Message-ID: This is a multi-part message in MIME format. --===============73189544117034122== Content-Type: multipart/alternative; boundary="----=_NextPart_000_0009_01C4D2DF.3345AA00" This is a multi-part message in MIME format. ------=_NextPart_000_0009_01C4D2DF.3345AA00 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Thanks for the comeback guys--I don't have a scan tool so I can't say = what the Block learn or the Integrator #'s are. The ECM won't go into = closed loop according to the MIL flashes I see while in the Field = Service mode ( shorting pin A to B on the ALDL connector while the = engine runs--2 flashes per second are supposed to indicate "open loop" = and that is what I'm seeing). The ECM is a 16171199 with PROM Broadcast = code BDWB--the only California certified combo for a K1500 5.7L Chevy = with an NV4500 manual trans (according to the local SMOG Ref)! You gotta = love SMOG laws. This ECM has a dedicated O2 sensor ground that connects = directly to the engine block. I double checked all grounds and = especially those associated with MAP and O2 sensors. Even removed ECM = connector pins and inspected for damage/corrosion. All appear good. But = I didn't check MAP output above idle (idle =3D1.05v). I'll do that = today. Per my Helm manual, a low MAP voltage (high vacuum) could cause = the ECM to go into the "Deceleration En-Leanment mode", even though the = vehicle is not moving--this would cause a significant lean-out of the = fuel mixture. I'm thinking fuel pump, even though my pressure readings are steady = 12.5 psi across my test RPM range. What I didn't mention before is that = since I'm planning on converting to multi port injection, I didn't want = to install or buy a TBI pump, soooo, I jury rigged my current high = pressure fuel pump (original engine was a 4.0L Jeep with sequential = multi port injection) to run at 15psi with the TBI disconnected by = running a metal return line from the filter output to the original fuel = return line, then smashing the tube until I got 15psi. Seemed to work, = except for the cold lean stumble, until I got curious about being in = Closed Loop. I'm thinking I don't have a grasp of the pressure/volume = thingy and even though I have good pressure, maybe I don't have = sufficient volume. Addition thoughts/comments would be appreciated Roger ------=_NextPart_000_0009_01C4D2DF.3345AA00 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Thanks for the comeback guys--I don't = have a scan=20 tool so I can't say what the Block learn or the Integrator #'s are. The = ECM=20 won't go into closed loop according to the MIL flashes I = see while in=20 the Field Service mode ( shorting pin A to B on the ALDL connector while = the=20 engine runs--2 flashes per second are supposed to indicate "open loop" = and that=20 is what I'm seeing). The ECM is a 16171199 with PROM Broadcast code = BDWB--the=20 only California certified combo for a K1500 5.7L Chevy with an = NV4500=20 manual trans (according to the local SMOG Ref)! You gotta love SMOG = laws. This=20 ECM has a dedicated O2 sensor ground that connects directly to the = engine=20 block. I double checked all grounds and especially those associated with = MAP and=20 O2 sensors. Even removed ECM connector pins and inspected for = damage/corrosion.=20 All appear good. But I didn't check MAP output above idle = (idle=20 =3D1.05v). I'll do that today. Per my Helm manual, a low MAP voltage = (high vacuum)=20 could cause the ECM to go into the "Deceleration En-Leanment mode", even = though=20 the vehicle is not moving--this would cause a significant lean-out of = the fuel=20 mixture.

I'm thinking fuel pump, even = though my=20 pressure readings are steady 12.5 psi across my test RPM range. What I = didn't=20 mention before is that since I'm planning on converting to multi port = injection,=20 I didn't want to install or buy a TBI pump, soooo, I jury rigged my = current=20 high pressure fuel pump (original engine was a 4.0L Jeep with sequential = multi=20 port injection) to run at 15psi with the TBI disconnected by running a = metal=20 return line from the filter output to the original fuel return = line, then=20 smashing the tube until I got 15psi. Seemed to work, except for the cold = lean=20 stumble, until I got curious about being in Closed Loop. I'm thinking I = don't=20 have a grasp of the pressure/volume thingy and even though I have good = pressure,=20 maybe I don't have sufficient volume.

Addition thoughts/comments would be=20 appreciated

Roger

------=_NextPart_000_0009_01C4D2DF.3345AA00-- --===============73189544117034122== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --===============73189544117034122==-- From n5xmt at bellsouth.net Thu Nov 25 19:18:14 2004 From: n5xmt at bellsouth.net (David Cooley) Date: Thu, 25 Nov 2004 16:18:14 -0300 Subject: [Diy_efi] re: rich/lean and O2 Message-ID: --===============31182165772605552== Content-Type: Multipart/Alternative; boundary="------------Boundary-00=_OH1RQL80000000000000" --------------Boundary-00=_OH1RQL80000000000000 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable A real fuel pressure regulator would be needed... the smashed line may w= ork at low fuel load, but at Wide open throttle the pressure will drop and th= e engine will lean out..=0D =0D =0D -------Original Message-------=0D =0D From: RogeranCarol=0D Date: 11/25/04 14:10:02=0D To: diy_efi at diy-efi.org=0D Subject: [Diy_efi] re: rich/lean and O2=0D =0D Thanks for the comeback guys--I don't have a scan tool so I can't say wha= t the Block learn or the Integrator #'s are. The ECM won't go into closed l= oop according to the MIL flashes I see while in the Field Service mode ( shorting pin A to B on the ALDL connector while the engine runs--2 flashe= s per second are supposed to indicate "open loop" and that is what I'm seei= ng) The ECM is a 16171199 with PROM Broadcast code BDWB--the only California certified combo for a K1500 5.7L Chevy with an NV4500 manual trans (according to the local SMOG Ref)! You gotta love SMOG laws. This ECM has= a dedicated O2 sensor ground that connects directly to the engine block. I double checked all grounds and especially those associated with MAP and O= 2 sensors. Even removed ECM connector pins and inspected for damage/corrosi= on. All appear good. But I didn't check MAP output above idle (idle =3D1.05v)= =2E I ll do that today. Per my Helm manual, a low MAP voltage (high vacuum) cou= ld cause the ECM to go into the "Deceleration En-Leanment mode", even though the vehicle is not moving--this would cause a significant lean-out of the fuel mixture.=0D I'm thinking fuel pump, even though my pressure readings are steady 12.5 psi across my test RPM range. What I didn't mention before is that since = I'm planning on converting to multi port injection, I didn't want to install = or buy a TBI pump, soooo, I jury rigged my current high pressure fuel pump (original engine was a 4.0L Jeep with sequential multi port injection) to run at 15psi with the TBI disconnected by running a metal return line fro= m the filter output to the original fuel return line, then smashing the tub= e until I got 15psi. Seemed to work, except for the cold lean stumble, unti= l I got curious about being in Closed Loop. I'm thinking I don't have a grasp= of the pressure/volume thingy and even though I have good pressure, maybe I = don t have sufficient volume.=0D Addition thoughts/comments would be appreciated=0D Roger =0D =20 --------------Boundary-00=_OH1RQL80000000000000 Content-Type: Text/HTML; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

A real fuel pressure regulator would be needed... the smashed = line may work at low fuel load, but at Wide open throttle the pressure wi= ll drop and the engine will lean out..

-------Original Message-------

From: RogeranCarol

Date: 11/25/04 14:= 10:02

To: diy_efi at diy-efi.org

Subject: [Diy_efi]= re: rich/lean and O2

Thanks for the comeback guys--I don't ha= ve a scan tool so I can't say what the Block learn or the Integrator #'s = are. The ECM won't go into closed loop according to the MIL flashes = I see while in the Field Service mode ( shorting pin A to B on the A= LDL connector while the engine runs--2 flashes per second are supposed to= indicate "open loop" and that is what I'm seeing). The ECM is a 16171199= with PROM Broadcast code BDWB--the only California certified combo for a= K1500 5.7L Chevy with an NV4500 manual trans (according to the loca= l SMOG Ref)! You gotta love SMOG laws. This ECM has a dedicated O2 sensor= ground that connects directly to the engine block. I double checked= all grounds and especially those associated with MAP and O2 sensors. Eve= n removed ECM connector pins and inspected for damage/corrosion. All = ;appear good. But I didn't check MAP output above idle (idle =3D1.05= v). I'll do that today. Per my Helm manual, a low MAP voltage (high vacuu= m) could cause the ECM to go into the "Deceleration En-Leanment mode", ev= en though the vehicle is not moving--this would cause a significant lean-= out of the fuel mixture.

I'm thinking fuel pump, even thoug= h my pressure readings are steady 12.5 psi across my test RPM range. What= I didn't mention before is that since I'm planning on converting to mult= i port injection, I didn't want to install or buy a TBI pump, soooo,= I jury rigged my current high pressure fuel pump (original engine was a = 4.0L Jeep with sequential multi port injection) to run at 15psi with the = TBI disconnected by running a metal return line from the filter outp= ut to the original fuel return line, then smashing the tube until I got 1= 5psi. Seemed to work, except for the cold lean stumble, until I got curio= us about being in Closed Loop. I'm thinking I don't have a grasp of the p= ressure/volume thingy and even though I have good pressure, maybe I don't= have sufficient volume.

Addition thoughts/comments would be appr= eciated

Roger

--------------Boundary-00=_OH1RQL80000000000000-- --===============31182165772605552== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --===============31182165772605552==-- From hilkaa at racsa.co.cr Fri Nov 26 16:51:29 2004 From: hilkaa at racsa.co.cr (=?iso-8859-1?Q?Electr=F3nica_del_Autom=F3vil?=) Date: Fri, 26 Nov 2004 13:51:29 -0300 Subject: [Diy_efi] Injectors driver Message-ID: This is a multi-part message in MIME format. --===============20944185347544719== Content-type: multipart/alternative; boundary="Boundary_(ID_5CU3lj+Qc06q7RoAD6IoTA)" This is a multi-part message in MIME format. --Boundary_(ID_5CU3lj+Qc06q7RoAD6IoTA) Content-type: text/plain; charset=iso-8859-1 Content-transfer-encoding: 7BIT Hi all !!!: Do any one of you have information about the IC injectors driver for Chevrolte S10 1998 2.2L ECU ??? The part number of the IC is: 05564 466 812k75R89 (15 pin) Where can I get it or a replace part ? Thanks, --Boundary_(ID_5CU3lj+Qc06q7RoAD6IoTA) Content-type: text/html; charset=iso-8859-1 Content-transfer-encoding: 7BIT

Hi all !!!:

Do any one of you have information about the IC injectors driver for Chevrolte S10 1998 2.2L ECU ???

The part number of the IC is:

05564

466 812k75R89 (15 pin)

Where can I get it or a replace part ?

Thanks,

--Boundary_(ID_5CU3lj+Qc06q7RoAD6IoTA)-- --===============20944185347544719== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --===============20944185347544719==-- From PaulHelmuth at SprintMail.com Fri Nov 26 18:19:15 2004 From: PaulHelmuth at SprintMail.com (Paul Helmuth) Date: Fri, 26 Nov 2004 15:19:15 -0300 Subject: [Diy_efi] Injectors driver Message-ID: This is a multi-part message in MIME format. --===============20178772452363036== Content-Type: multipart/alternative; boundary="----=_NextPart_000_000E_01C4D3B1.DE892AE0" This is a multi-part message in MIME format. ------=_NextPart_000_000E_01C4D3B1.DE892AE0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable How would you know that you want a replacement part without having = information on the IC to begin with? That is, without information on the = IC how would you determine that it was "bad" (unless it is physically = damaged)? Since it sounds like the part is an IC, it is almost certainly an IC = package designed to be a fuel injector driver. The trick will be to = identify the manufacture's part number so that you can obtain a part and = a data sheet. The data sheet will tell you everything that you need to = know about the chip. Another approach may be to go to the manufacture's web sites and search = for fuel injector drivers. It may be that there are only one or two = chips that match the physical package of the one in the S10. This could = give you the information to make a very good educated guess as to the IC = that is being used. However, the only way to know with certainty would = be to identify a manufactures' part number on the chip, or to have GM = tell you what the part is. At least that is my take. ----- Original Message -----=20 From: Electr=F3nica del Autom=F3vil=20 To: diy_efi at diy-efi.org=20 Sent: Friday, November 26, 2004 10:37 AM Subject: [Diy_efi] Injectors driver Hi all !!!: Do any one of you have information about the IC injectors driver for = Chevrolte S10 1998 2.2L ECU ??? The part number of the IC is: 05564 466 812k75R89 (15 pin) Where can I get it or a replace part ? Thanks, -------------------------------------------------------------------------= ----- _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi ------=_NextPart_000_000E_01C4D3B1.DE892AE0 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

How would you know that you want a = replacement part=20 without having information on the IC to begin with? That is, without = information=20 on the IC how would you determine that it was "bad" (unless it is = physically=20 damaged)?

Since it sounds like the part is an IC, = it is=20 almost certainly an IC package designed to be a fuel injector driver. = The trick=20 will be to identify the manufacture's part number so that you can obtain = a part=20 and a data sheet. The data sheet will tell you everything that you need = to know=20 about the chip.

Another approach may be to go to the = manufacture's=20 web sites and search for fuel injector drivers. It may be that there are = only=20 one or two chips that match the physical package of the one in the S10. = This=20 could give you the information to make a very good educated guess as to = the IC=20 that is being used. However, the only way to know with certainty would = be to=20 identify a manufactures' part number on the chip, or to have GM tell you = what=20 the part is.

At least that is my take.

----- Original Message -----

From:=20 Electr=F3nica del=20 Autom=F3vil

To: diy_efi at diy-efi.org

Sent: Friday, November 26, 2004 = 10:37=20 AM

Subject: [Diy_efi] Injectors = driver

Hi all !!!:

Do any one of you have information = about the IC=20 injectors driver for Chevrolte S10 1998 2.2L ECU = ???

The part number of the IC = is:

05564

466 812k75R89 (15 pin)

Where can I get it or a replace part=20 ?

Thanks,

_______________________________________________
diy_efi = mailing=20 list
diy_efi at diy-efi.org
http://lists.d= iy-efi.org/mailman/listinfo/diy_efi
------=_NextPart_000_000E_01C4D3B1.DE892AE0-- --===============20178772452363036== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --===============20178772452363036==-- From ludis at cruzers.com Fri Nov 26 20:56:26 2004 From: ludis at cruzers.com (Ludis Langens) Date: Fri, 26 Nov 2004 17:56:26 -0300 Subject: [Diy_efi] re: rich/lean and O2 Message-ID: > RogeranCarol wrote: > > What I didn't mention before is > that since I'm planning on converting to multi port injection, I > didn't want to install or buy a TBI pump, soooo, I jury rigged my > current high pressure fuel pump (original engine was a 4.0L Jeep with > sequential multi port injection) to run at 15psi with the TBI > disconnected by running a metal return line from the filter output to > the original fuel return line, then smashing the tube until I got > 15psi. You can use the same pump as long as you include the correct fuel pressure regulator. Ford used the "same" pump on a (low pressure) TBI V8 as they did on (high pressure) port injected V8's. With the output blocked, this pump reaches 100 psi or so. -- Ludis Langens ludis (at) cruzers (dot) com Mac, Fiero, & engine controller goodies: http://www.cruzers.com/~ludis/ _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From ludis at cruzers.com Fri Nov 26 20:59:50 2004 From: ludis at cruzers.com (Ludis Langens) Date: Fri, 26 Nov 2004 17:59:50 -0300 Subject: [Diy_efi] Injectors driver Message-ID: > Electr?nica del Autom?vil wrote: > > The part number of the IC is: > > 05564 Those are the last five digits of a GM part number. The full number would be 16?05564. We don't have enough information to know the third digit. > 466 This IC was made by Delco/Delphi/GM. This means that it likely isn't an industry standard IC. > 812k75R89 (15 pin) That's a date code or something. -- Ludis Langens ludis (at) cruzers (dot) com Mac, Fiero, & engine controller goodies: http://www.cruzers.com/~ludis/ _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From PaulHelmuth at SprintMail.com Fri Nov 26 22:52:38 2004 From: PaulHelmuth at SprintMail.com (Paul Helmuth) Date: Fri, 26 Nov 2004 19:52:38 -0300 Subject: [Diy_efi] Injectors driver Message-ID: Hum. In that case, I would think that it would be almost impossible to source an individual part. The only thing I could think of would be to find another GM ECU from a similar vintage vehicle and de-solder that component from the printed circuit board. ----- Original Message ----- From: "Ludis Langens" To: "A list for Do-It-Yourself EFI" Sent: Friday, November 26, 2004 3:01 PM Subject: Re: [Diy_efi] Injectors driver >> Electr?nica del Autom?vil wrote: >> >> The part number of the IC is: >> >> 05564 > > Those are the last five digits of a GM part number. The full number > would be 16?05564. We don't have enough information to know the third > digit. > >> 466 > > This IC was made by Delco/Delphi/GM. This means that it likely isn't an > industry standard IC. > >> 812k75R89 (15 pin) > > That's a date code or something. > > -- > Ludis Langens ludis (at) cruzers (dot) com > Mac, Fiero, & engine controller goodies: http://www.cruzers.com/~ludis/ > _______________________________________________ > diy_efi mailing list > diy_efi at diy-efi.org > http://lists.diy-efi.org/mailman/listinfo/diy_efi > _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From jimbutterfield at yahoo.com Sat Nov 27 15:05:48 2004 From: jimbutterfield at yahoo.com (Jim Butterfield) Date: Sat, 27 Nov 2004 12:05:48 -0300 Subject: [Diy_efi] Injectors driver Message-ID: --===============88279685659267515== Content-Type: multipart/alternative; boundary="0-337558844-1101567788=:40694" --0-337558844-1101567788=:40694 Content-Type: text/plain; charset=us-ascii How about Ebay or a local new car salvage yard?? Electr?nica del Autom?vil wrote: Hi all !!!: Do any one of you have information about the IC injectors driver for Chevrolte S10 1998 2.2L ECU ??? The part number of the IC is: 05564 466 812k75R89 (15 pin) Where can I get it or a replace part ? Thanks, _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --------------------------------- Do you Yahoo!? Read only the mail you want - Yahoo! Mail SpamGuard. --0-337558844-1101567788=:40694 Content-Type: text/html; charset=us-ascii

How about Ebay or a local new car salvage yard??

Electr?nica del Autom?vil <hilkaa at racsa.co.cr> wrote:

Hi all !!!:

Do any one of you have information about the IC injectors driver for Chevrolte S10 1998 2.2L ECU ???

The part number of the IC is:

05564

466 812k75R89 (15 pin)

Where can I get it or a replace part ?

Thanks,
_______________________________________________
diy_efi mailing list
diy_efi at diy-efi.org
http://lists.diy-efi.org/mailman/listinfo/diy_efi

Do you Yahoo!?
Read only the mail you want - Yahoo! Mail SpamGuard. --0-337558844-1101567788=:40694-- --===============88279685659267515== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --===============88279685659267515==-- From jag_man653 at hotmail.com Mon Nov 29 03:58:52 2004 From: jag_man653 at hotmail.com (Jag Man) Date: Mon, 29 Nov 2004 00:58:52 -0300 Subject: [Diy_efi] Pulse width meter Message-ID: Has anyone here built the pulse width meter? Comments? TIA Ed _________________________________________________________________ Don?t just search. Find. Check out the new MSN Search! http://search.msn.click-url.com/go/onm00200636ave/direct/01/ _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From A6intruder at adelphia.net Mon Nov 29 03:59:35 2004 From: A6intruder at adelphia.net (Daniel Nicoson) Date: Mon, 29 Nov 2004 00:59:35 -0300 Subject: [Diy_efi] Water Injection Dyno Results are in Message-ID: Ok, I spent all day getting the data together and writing a short report about the results of 21 dyno pulls. My wife thinks I've completely lost it LOL I have posted all the data files, my notes and my report on www.myo-p.com I am not a web site designer so yeh, it sucks as web sites go. We'll find a solution to "easy on the eye" later. Bottom line was about 235 RWHP with or without WI. The very best run was 241 RWHP. I couldn't believe how much spark advance we ran with 89 octane fuel! With AFR=13.0 (all gas) we were running 36 degrees total advance. With AFR=14.5 and WI we pulled 40 degrees total advance. Anyway, go pull the files down and read away. It would have been nice to have boost to see the real effect of WI. I guess that will be next! (maybe after the nitro methane tests...) Give me your feedback. Thanks, Dan _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From n5xmt at bellsouth.net Mon Nov 29 04:02:46 2004 From: n5xmt at bellsouth.net (David Cooley) Date: Mon, 29 Nov 2004 01:02:46 -0300 Subject: [Diy_efi] Pulse width meter Message-ID: nope... I use the PW, Hz and Duty cycle functions of my DMM. -------Original Message------- From: Jag Man Date: 11/28/04 22:56:49 To: diy_efi at diy-efi.org Subject: [Diy_efi] Pulse width meter Has anyone here built the pulse width meter? Comments? TIA Ed _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From A6intruder at adelphia.net Mon Nov 29 04:10:08 2004 From: A6intruder at adelphia.net (Daniel Nicoson) Date: Mon, 29 Nov 2004 01:10:08 -0300 Subject: [Diy_efi] Pulse width meter Message-ID: Yes, I've just finished another project using this technique. In another month or so I will be posting some info on this kind of circuit. In the meantime if you want to design your own you are looking for a sample & hold circuit. Go to Digi-Key.com and download the data sheet on a LF198/LF398. I used two LF398's and some other components for my system. Check out this link, it is where I started to understand how to turn Pw into voltage. http://homepages.which.net/~paul.hills/Circuits/RxDecoder/RxDecoder.html Good luck, Dan -----Original Message----- From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org]On Behalf Of Jag Man Sent: Sunday, November 28, 2004 10:56 PM To: diy_efi at diy-efi.org Subject: [Diy_efi] Pulse width meter Has anyone here built the pulse width meter? Comments? TIA Ed _________________________________________________________________ Don?t just search. Find. Check out the new MSN Search! http://search.msn.click-url.com/go/onm00200636ave/direct/01/ _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From wd0fyf at cox.net Mon Nov 29 04:14:01 2004 From: wd0fyf at cox.net (Gerald Pelnar) Date: Mon, 29 Nov 2004 01:14:01 -0300 Subject: [Diy_efi] Pulse width meter Message-ID: Dig out that old dwell meter you thought was worthless. Gerald ----- Original Message ----- From: "Jag Man" To: Sent: Sunday, November 28, 2004 21:55 Subject: [Diy_efi] Pulse width meter > Has anyone here built the pulse width meter? Comments? > > TIA > > Ed > > _________________________________________________________________ > Don't just search. Find. Check out the new MSN Search! > http://search.msn.click-url.com/go/onm00200636ave/direct/01/ > > _______________________________________________ > diy_efi mailing list > diy_efi at diy-efi.org > http://lists.diy-efi.org/mailman/listinfo/diy_efi _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From WSCowell at aol.com Mon Nov 29 08:04:10 2004 From: WSCowell at aol.com (WSCowell at aol.com) Date: Mon, 29 Nov 2004 05:04:10 -0300 Subject: [Diy_efi] Pulse width meter Message-ID: --===============32777361576642128== Content-Type: multipart/alternative; boundary="-----------------------------1101715277" -------------------------------1101715277 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Erm.... sorry, am I missing something here? An oscilloscope is pretty useful for this sort of thing! Good luck, regards Will C -------------------------------1101715277 Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

Erm.... sorry, am I missing something here? An oscilloscope is pr= etty=20 useful for this sort of thing!

Good luck, regards

Will C

-------------------------------1101715277-- --===============32777361576642128== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi --===============32777361576642128==-- From skrahman at gmail.com Mon Nov 29 15:54:41 2004 From: skrahman at gmail.com (S. K Rahman) Date: Mon, 29 Nov 2004 12:54:41 -0300 Subject: [Diy_efi] EFI for Bikes Message-ID: Hi all, Has anybody successfully built EFI for bikes? I am looking for some schematics for completed project. Regards _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From gianmarco.rizzo at ericsson.com Mon Nov 29 16:03:09 2004 From: gianmarco.rizzo at ericsson.com (Gianmarco Rizzo (BE/EAS)) Date: Mon, 29 Nov 2004 13:03:09 -0300 Subject: [Diy_efi] EFI for Bikes Message-ID: Hi i have fitted to my duke powered cagiva elefant bike an aftermarket EFI ( came equipped with the weber marelli IAW ) designed and built by an australian guy. it works pretty well. http://www.jefferies-au.org/My16M/ also a good idea would be to source Adam Wade's book about EFI on motorbikes. gm -----Original Message----- From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org]On Behalf Of S. K Rahman Sent: Montag, 29. November 2004 16:52 To: diy_efi at diy-efi.org Subject: [Diy_efi] EFI for Bikes Hi all, Has anybody successfully built EFI for bikes? I am looking for some schematics for completed project. Regards _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From justin at jacomms.com Mon Nov 29 23:04:55 2004 From: justin at jacomms.com (Justin Albury) Date: Mon, 29 Nov 2004 20:04:55 -0300 Subject: [Diy_efi] Holden VT Commodore ECU Message-ID: Yeh thats right, ya need to match the pcm/ecm to the bcm and in turn have a key/remote that is happy with the bcm. so in short to rip the gear from 1 vt and put it into another requires either the use of a tech 2 to the rematching of the pcm to the bcm or you need all 3 item from the same series car ....vt has many bcm's ......have fun Justin Albury ----- Original Message ----- From: "Dan Zorde" To: Sent: Thursday, November 25, 2004 10:54 AM Subject: [Diy_efi] Holden VT Commodore ECU > > > > > Hi, > > Fidling with a VT Commodore that seems to exhibit ECU problems. > Does anyone know what is involved in programming a new ECU for a VT > commodore. I was told that it must be done with the car as there is a > body module that needs to be present during programming ?? > Does this mean you can't just pull a 2nd hand ECU from a VT and shove > into another VT to check if it is an ECU problem? > > Cheers > > Dan > ERG Transit Systems > 247 Balcatta Road Balcatta WA 6021 Australia > Tel: + 61 8 9273 1558 Fax: +61 8 9273 1570 > Email: dzorde at erggroup.com Website: www.erggroup.com > > _______________________________________________ > diy_efi mailing list > diy_efi at diy-efi.org > http://lists.diy-efi.org/mailman/listinfo/diy_efi > _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From jag_man653 at hotmail.com Mon Nov 29 23:38:12 2004 From: jag_man653 at hotmail.com (Jag Man) Date: Mon, 29 Nov 2004 20:38:12 -0300 Subject: [Diy_efi] Test Message-ID: Just trying to see if this will really be posted... a try yeaterday apparently failed... _________________________________________________________________ Is your PC infected? Get a FREE online computer virus scan from McAfee? Security. http://clinic.mcafee.com/clinic/ibuy/campaign.asp?cid=3963 _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From miloszk at gmail.com Tue Nov 30 00:03:37 2004 From: miloszk at gmail.com (Milosz Kardasinski) Date: Mon, 29 Nov 2004 21:03:37 -0300 Subject: [Diy_efi] Water Injection Dyno Results are in Message-ID: Excellent read...I enjoyed it very much. Keep updating as you try new things. _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From joeld at ualberta.ca Tue Nov 30 00:12:58 2004 From: joeld at ualberta.ca (joeld) Date: Mon, 29 Nov 2004 21:12:58 -0300 Subject: [Diy_efi] EFI for Bikes Message-ID: We have ran both a Haltech and a Wolf 3d system on a GSX-R 600 engine in a snowmobile with no problems Joel Day 4th Yr. B.Sc. Min Eng 2004 C.S.C. Project Coordinator Home: 780-434-9294 Cell: 780-722-5376 C.S.C Team Website: www.ualberta.ca/~uacsc _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From jag_man653 at hotmail.com Tue Nov 30 03:50:19 2004 From: jag_man653 at hotmail.com (Jag Man) Date: Tue, 30 Nov 2004 00:50:19 -0300 Subject: [Diy_efi] Pulse width meter Message-ID: Sorry, I was referring to the microcontroller implementation described at the diy_efi site: http://www.diy-efi.org/diy_efi/projects/pw_meter/ Has anyone implemented that circuit? I know it can be done with a scope, but it would be much easier with a special-purpose device. I also know it is part of the fuinctionality of some digital multimeters, but they are a bit pricy for me. I'm a newbie here. I was assuming this was a mail list and therefore expected to get postings in my mailbox. Guess the only way to read postings is in the Archives? Or, what am I missing? Ed _________________________________________________________________ Don?t just search. Find. Check out the new MSN Search! http://search.msn.click-url.com/go/onm00200636ave/direct/01/ _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From mbelloli at speedymotorsports.com Tue Nov 30 08:04:54 2004 From: mbelloli at speedymotorsports.com (mbelloli at speedymotorsports.com) Date: Tue, 30 Nov 2004 05:04:54 -0300 Subject: [Diy_efi] Pulse width meter - Using the Data Message-ID: I have a quesiton in regards to using Pulse Width readings in Milliseconds. How usable is this besides a general ballpark reading? If you were going to build a map of how much fuel was added at any given MAP/RPM reading would these readings be good enough? I look at injectors all the time with a DSO, but I'll be damed if I can see the difference in readings between an injector that is supplying the right amount of fuel and one that is very close. My meter readings look the same. If I made a very small change in the Volumetric Efficiency table that made a signifigant change in the running at idle I was still reading the same MS. I had to go way off the sweet spot before I could see the difference in the meter readings. Now at higher RPMs it does become more obvious when looking at MS readings, but it sure doesn't seem to be at idle. All my customers are complaining about idle quality, and rarely about WOT quality. If you wanted to build a map you could then take and compare to the Volumetric Efficiency table / fuel table, what would be the best way to do it? Thanks, Marcello > Sorry, I was referring to the microcontroller implementation described > at the diy_efi site: > > http://www.diy-efi.org/diy_efi/projects/pw_meter/ > > Has anyone implemented that circuit? > > I know it can be done with a scope, but it would be much easier with > a special-purpose device. I also know it is part of the fuinctionality of > some digital multimeters, but they are a bit pricy for me. > > I'm a newbie here. I was assuming this was a mail list and therefore > expected to get > postings in my mailbox. Guess the only way to read postings is > in the Archives? Or, what am I missing? > > Ed > > _________________________________________________________________ > Don?t just search. Find. Check out the new MSN Search! > http://search.msn.click-url.com/go/onm00200636ave/direct/01/ > > _______________________________________________ > diy_efi mailing list > diy_efi at diy-efi.org > http://lists.diy-efi.org/mailman/listinfo/diy_efi > _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi From Steve.Ravet at arm.com Mon Nov 1 01:06:03 2004 From: Steve.Ravet at arm.com (Steve Ravet) Date: Sun, 31 Oct 2004 22:06:03 -0300 Subject: [Diy_efi] ECU Tester Message-ID: =20 ________________________________ From: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] = On Behalf Of K DANIEL Sent: Saturday, October 30, 2004 7:49 AM To: diy_efi at diy-efi.org Subject: [Diy_efi] ECU Tester =09 =09 Hello=20 I'm new member to DIY-EFI .. I'm engineer I have designed an engine = simulator for testing engine ECU's the simulator generate all the sensors signals required operate = the ECU under test I'm using LABview software to monitor and control the ECU operation By now most of the BOSCH MOTRONIC ECU's can be tested...I'm now = preparing the simulator=20 For testing SIMTEC and GM ecru's but the information on SIMTEC and GM = ECU is very rare... any one can help with=20 the pinout or schematics of SIMTEC and GM ECU's Not sure what a SIMTEC is, but there are some ECU pinouts on the gmecm = page. --steve _______________________________________________ diy_efi mailing list diy_efi at diy-efi.org http://lists.diy-efi.org/mailman/listinfo/diy_efi