[Diy_efi] What Injector Is This?

Fri Apr 4 13:52:48 GMT 2003

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I talked to a Ford mechanic buddy and he says he's never cleaned one before.
I don't think that it is a normal service item.

Joe

-----Original Message-----
From: Mike [mailto:erazmus at iinet.net.au]
Sent: Thursday, April 03, 2003 11:36 PM
To: List for general do-it-yourself EFI talk
Subject: Re: [Diy_efi] What Injector Is This?

OK, I'll bear in mind if I come across a Ford MAF that it needs
to be cleaned manually, what period do they suggest between
cleans and is there a recommended solvent ?

rdgs

mike

>--Perry
>
>On Fri, Apr 04, 2003 at 11:40:04AM +0800, Mike wrote:
>> At 12:14 PM 4/3/03 -0800, you wrote:
>> >My Probst book has a blurb about the MAF, I'll fine the schematic
>> >of it elsewhere.
>> 
>> Great, I'm interested in alternatives,
>> 
>> >The cold wire which is not exposed to the air stream is not heated,
>> >it simply is a thermister.  The Hot wire is heated to 200C above
>> >ambient, so you can see, it's always very hot.
>> 
>> Yes true, I have the old Bosch yellow book from 1982 same mostly,
>> 
>> I'm curious if you have ever looked down the throat of the AFM
>> when powering off etc ?
>> 
>> rdgs
>> 
>> mike
>> 
>> 
>> 
>> 
>> >--Perry
>> >
>> >On Thu, Apr 03, 2003 at 07:36:22PM +0800, Mike wrote:
>> >> Its very similar, the bosch element in mine is not
>> >> that small - looks like the wire length is some 60mm
>> >> arranged in a loop.
>> >> 
>> >> I dont think its a design issue (read flaw) wich means
>> >> the Bosch 'needs' a large clean current as might be
>> >> implied. Bosch seem to go to some trouble with
>> >> issues like cal and an automatic clean as such is
>> >> bound to be more reliable than relying on people to
>> >> do it - which I still find perplexing.
>> >> 
>> >> Have you ever looked into the throat of one of these
>> >> ford MAFs and watched if it does or doesnt apply a
>> >> current pulse - maybe it does but its not enough to
>> >> make the wire glow.
>> >> 
>> >> Yes, I would like to see a schema of the ford MAF,
>> >> the 'clean' may well be supplied by the ecu and not
>> >> be inherent in the MAF as it is for bosch, as far
>> >> as I can determine from all I've read on these
>> >> issues - some sort of 'clean' burn is very helpful...
>> >> 
>> >> rgds
>> >> 
>> >> mike
>> >
>> >-- 
>> >Perry Harrington			Data Acquisition & Instrumentation,
Inc	
>> >perry at dainst dot com
http://www.dainst.com/
>> >
>> >Those who would give up essential liberty to purchase a little temporary
>> safety
>> >deserve neither liberty or safety. Nor, are they likely to end up with
>> either.
>> >                             -- Benjamin Franklin
>> >
>> >_______________________________________________
>> >Diy_efi mailing list
>> >Diy_efi at diy-efi.org
>> >http://www.diy-efi.org/mailman/listinfo/diy_efi
>> >
>> >
>> 
>> _______________________________________________
>> Diy_efi mailing list
>> Diy_efi at diy-efi.org
>> http://www.diy-efi.org/mailman/listinfo/diy_efi
>
>-- 
>Perry Harrington			Data Acquisition & Instrumentation,
Inc	
>perry at dainst dot com
http://www.dainst.com/
>
>Those who would give up essential liberty to purchase a little temporary
safety
>deserve neither liberty or safety. Nor, are they likely to end up with
either.
>                             -- Benjamin Franklin
>
>_______________________________________________
>Diy_efi mailing list
>Diy_efi at diy-efi.org
>http://www.diy-efi.org/mailman/listinfo/diy_efi
>
>

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<P><FONT SIZE=2>I talked to a Ford mechanic buddy and he says he's never cleaned one before.</FONT>
<BR><FONT SIZE=2>I don't think that it is a normal service item.</FONT>
</P>

<P><FONT SIZE=2>Joe</FONT>
</P>

<P><FONT SIZE=2>-----Original Message-----</FONT>
<BR><FONT SIZE=2>From: Mike [<A HREF="mailto:erazmus at iinet.net.au">mailto:erazmus at iinet.net.au</A>]</FONT>
<BR><FONT SIZE=2>Sent: Thursday, April 03, 2003 11:36 PM</FONT>
<BR><FONT SIZE=2>To: List for general do-it-yourself EFI talk</FONT>
<BR><FONT SIZE=2>Subject: Re: [Diy_efi] What Injector Is This?</FONT>
</P>
<BR>

<P><FONT SIZE=2>OK, I'll bear in mind if I come across a Ford MAF that it needs</FONT>
<BR><FONT SIZE=2>to be cleaned manually, what period do they suggest between</FONT>
<BR><FONT SIZE=2>cleans and is there a recommended solvent ?</FONT>
</P>

<P><FONT SIZE=2>rdgs</FONT>
</P>

<P><FONT SIZE=2>mike</FONT>
</P>
<BR>
<BR>
<BR>

&gt;--Perry
 &gt;
 &gt;On Fri, Apr 04, 2003 at 11:40:04AM +0800, Mike wrote:
 &gt;&gt; At 12:14 PM 4/3/03 -0800, you wrote:
 &gt;&gt; &gt;My Probst book has a blurb about the MAF, I'll fine the schematic
 &gt;&gt; &gt;of it elsewhere.
 &gt;&gt; 
 &gt;&gt; Great, I'm interested in alternatives,
 &gt;&gt; 
 &gt;&gt; &gt;The cold wire which is not exposed to the air stream is not heated,
 &gt;&gt; &gt;it simply is a thermister.&nbsp; The Hot wire is heated to 200C above
 &gt;&gt; &gt;ambient, so you can see, it's always very hot.
 &gt;&gt; 
 &gt;&gt; Yes true, I have the old Bosch yellow book from 1982 same mostly,
 &gt;&gt; 
 &gt;&gt; I'm curious if you have ever looked down the throat of the AFM
 &gt;&gt; when powering off etc ?
 &gt;&gt; 
 &gt;&gt; rdgs
 &gt;&gt; 
 &gt;&gt; mike
 &gt;&gt; 
 &gt;&gt; 
 &gt;&gt; 
 &gt;&gt; 
 &gt;&gt; &gt;--Perry
 &gt;&gt; &gt;
 &gt;&gt; &gt;On Thu, Apr 03, 2003 at 07:36:22PM +0800, Mike wrote:
 &gt;&gt; &gt;&gt; Its very similar, the bosch element in mine is not
 &gt;&gt; &gt;&gt; that small - looks like the wire length is some 60mm
 &gt;&gt; &gt;&gt; arranged in a loop.
 &gt;&gt; &gt;&gt; 
 &gt;&gt; &gt;&gt; I dont think its a design issue (read flaw) wich means
 &gt;&gt; &gt;&gt; the Bosch 'needs' a large clean current as might be
 &gt;&gt; &gt;&gt; implied. Bosch seem to go to some trouble with
 &gt;&gt; &gt;&gt; issues like cal and an automatic clean as such is
 &gt;&gt; &gt;&gt; bound to be more reliable than relying on people to
 &gt;&gt; &gt;&gt; do it - which I still find perplexing.
 &gt;&gt; &gt;&gt; 
 &gt;&gt; &gt;&gt; Have you ever looked into the throat of one of these
 &gt;&gt; &gt;&gt; ford MAFs and watched if it does or doesnt apply a
 &gt;&gt; &gt;&gt; current pulse - maybe it does but its not enough to
 &gt;&gt; &gt;&gt; make the wire glow.
 &gt;&gt; &gt;&gt; 
 &gt;&gt; &gt;&gt; Yes, I would like to see a schema of the ford MAF,
 &gt;&gt; &gt;&gt; the 'clean' may well be supplied by the ecu and not
 &gt;&gt; &gt;&gt; be inherent in the MAF as it is for bosch, as far
 &gt;&gt; &gt;&gt; as I can determine from all I've read on these
 &gt;&gt; &gt;&gt; issues - some sort of 'clean' burn is very helpful...
 &gt;&gt; &gt;&gt; 
 &gt;&gt; &gt;&gt; rgds
 &gt;&gt; &gt;&gt; 
 &gt;&gt; &gt;&gt; mike
 &gt;&gt; &gt;
 &gt;&gt; &gt;-- 
 &gt;&gt; &gt;Perry Harrington&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Data Acquisition &amp; Instrumentation, Inc 
 &gt;&gt; &gt;perry at dainst dot com&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <A HREF="http://www.dainst.com/" TARGET="_blank">http://www.dainst.com/</A>
 &gt;&gt; &gt;
 &gt;&gt; &gt;Those who would give up essential liberty to purchase a little temporary
 &gt;&gt; safety
 &gt;&gt; &gt;deserve neither liberty or safety. Nor, are they likely to end up with
 &gt;&gt; either.
 &gt;&gt; &gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -- Benjamin Franklin
 &gt;&gt; &gt;
 &gt;&gt; &gt;_______________________________________________
 &gt;&gt; &gt;Diy_efi mailing list
 &gt;&gt; &gt;Diy_efi at diy-efi.org
 &gt;&gt; &gt;<A HREF="http://www.diy-efi.org/mailman/listinfo/diy_efi" TARGET="_blank">http://www.diy-efi.org/mailman/listinfo/diy_efi</A>
 &gt;&gt; &gt;
 &gt;&gt; &gt;
 &gt;&gt; 
 &gt;&gt; _______________________________________________
 &gt;&gt; Diy_efi mailing list
 &gt;&gt; Diy_efi at diy-efi.org
 &gt;&gt; <A HREF="http://www.diy-efi.org/mailman/listinfo/diy_efi" TARGET="_blank">http://www.diy-efi.org/mailman/listinfo/diy_efi</A>
 &gt;
 &gt;-- 
 &gt;Perry Harrington&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Data Acquisition &amp; Instrumentation, Inc 
 &gt;perry at dainst dot com&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <A HREF="http://www.dainst.com/" TARGET="_blank">http://www.dainst.com/</A>
 &gt;
 &gt;Those who would give up essential liberty to purchase a little temporary
 safety
 &gt;deserve neither liberty or safety. Nor, are they likely to end up with
 either.
 &gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -- Benjamin Franklin
 &gt;
 &gt;_______________________________________________
 &gt;Diy_efi mailing list
 &gt;Diy_efi at diy-efi.org
 &gt;<A HREF="http://www.diy-efi.org/mailman/listinfo/diy_efi" TARGET="_blank">http://www.diy-efi.org/mailman/listinfo/diy_efi</A>
 &gt;
 &gt;

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