[Diy_efi] Question on Knock Sensors

don.broadus at exeloncorp.com don.broadus at exeloncorp.com
Wed Feb 23 14:41:00 GMT 2005


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AASS,HKD,HKM,HKR,BLN, AFWB,ANBZ

-----Original Message-----
From: Rausch, Bernd [mailto:br at rnt.de]
Sent: Wednesday, February 23, 2005 4:47 AM
To: A list for Do-It-Yourself EFI
Subject: AW: [Diy_efi] Question on Knock Sensors



Hi Don,

 

from what vehicles are these ext det modules? What is the latest module?

Best regards,

Bernd

 


  _____  


Von: diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] Im
Auftrag von don.broadus at exeloncorp.com
Gesendet: Dienstag, 22. Februar 2005 16:03
An: diy_efi at diy-efi.org
Betreff: RE: [Diy_efi] Question on Knock Sensors

 

I have collected 14 different sensors for testing and have only found the DR
number or in the case of a Quad 4 10456209 number.

The last 4 digits are the date code.  Usually the year and day of
manufacture (Julian Calendar).  I have profiled the sensors by getting a 1/4
NPT pipe coupling and screwing one sensor in one end and another sensor in
the other end. I set up with 2  DR562      sensors. I applied a sine wave
from a HP 3324A to one sensor and looked at the output of the other sensor
with a Nicolet 440 scope. with 1 VPP amplitude I sweep the frequencies from
1Khz to 50 Khz The highest amplitude was always at 6 Khz. Of the 14 

sensors I tested they all responded the same. I concluded that the sensors
are not all that different and could be interchanged.I then tested 9
external det modules from AASS,HKD,HKR,BLN,ANBZ ect.  The output is 10 volt
until between 4 Khz and 12 Khz the output would go low . Again 6 Khz was the
sweet spot.     

 

 

 

 

 

 

 

 

 

 

-----Original Message-----
From: David Dowell [mailto:dowelljd at alltel.net]
Sent: Monday, February 21, 2005 8:22 PM
To: A list for Do-It-Yourself EFI
Subject: [Diy_efi] Question on Knock Sensors

Hi All,

 

I went to the junk yard to gather parts and pulled several knock sensors off
of Chevy Suburbans with 350 CID engines.

 

When I got back to the house with them and cleaned them up, none have the GM
numbers that are listed as being for 350s.  In fact, all the sensors have a
number that starts with DR-699-#### where the # is a number.  In addition,
all of them have different numbers for the last 4 numbers (####).   

 

Can anyone out there tell me what these numbers are for?  Do you have a
cross reference to the GM part #'s.

 

Thanks for the help.

 

Dave



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<BODY lang=DE vLink=purple link=blue bgColor=white>
<DIV><SPAN class=974553214-23022005><FONT face=Arial color=#0000ff 
size=2>AASS,HKD,HKM,HKR,BLN, AFWB,ANBZ</FONT></SPAN></DIV>
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
  <DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma 
  size=2>-----Original Message-----<BR><B>From:</B> Rausch, Bernd 
  [mailto:br at rnt.de]<BR><B>Sent:</B> Wednesday, February 23, 2005 4:47 
  AM<BR><B>To:</B> A list for Do-It-Yourself EFI<BR><B>Subject:</B> AW: 
  [Diy_efi] Question on Knock Sensors<BR><BR></FONT></DIV>
  <DIV class=Section1>
  <P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN 
  style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Hi 
  Don,<o:p></o:p></SPAN></FONT></P>
  <P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN 
  style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p>&nbsp;</o:p></SPAN></FONT></P>
  <P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN lang=EN-GB 
  style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">from what vehicles 
  are these ext det modules? What is the latest 
  module?<o:p></o:p></SPAN></FONT></P>
  <P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN lang=EN-GB 
  style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Best 
  regards,<o:p></o:p></SPAN></FONT></P>
  <P class=MsoNormal><st1:City w:st="on"><st1:place w:st="on"><FONT face=Arial 
  color=navy size=2><SPAN lang=EN-GB 
  style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Bern</SPAN></FONT></st1:place></st1:City><FONT 
  face=Arial color=navy size=2><SPAN lang=EN-GB 
  style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">d<o:p></o:p></SPAN></FONT></P>
  <P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN lang=EN-GB 
  style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p>&nbsp;</o:p></SPAN></FONT></P>
  <DIV>
  <DIV class=MsoNormal style="TEXT-ALIGN: center" align=center><FONT 
  face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt">
  <HR tabIndex=-1 align=center width="100%" SIZE=2>
  </SPAN></FONT></DIV>
  <P class=MsoNormal><B><FONT face=Tahoma size=2><SPAN 
  style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">Von:</SPAN></FONT></B><FONT 
  face=Tahoma size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma"> 
  diy_efi-bounces at diy-efi.org [mailto:diy_efi-bounces at diy-efi.org] <B><SPAN 
  style="FONT-WEIGHT: bold">Im Auftrag von 
  </SPAN></B>don.broadus at exeloncorp.com<BR><B><SPAN 
  style="FONT-WEIGHT: bold">Gesendet:</SPAN></B> Dienstag, 22. Februar 2005 
  16:03<BR><B><SPAN style="FONT-WEIGHT: bold">An:</SPAN></B> 
  diy_efi at diy-efi.org<BR><B><SPAN style="FONT-WEIGHT: bold">Betreff:</SPAN></B> 
  RE: [Diy_efi] Question on Knock Sensors</SPAN></FONT><o:p></o:p></P></DIV>
  <P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN 
  style="FONT-SIZE: 12pt"><o:p>&nbsp;</o:p></SPAN></FONT></P>
  <DIV>
  <P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN 
  style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">I have collected 14 
  different sensors for testing and have only found the DR number or in the case 
  of a Quad 4 10456209 number.</SPAN></FONT><o:p></o:p></P></DIV>
  <DIV>
  <P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN 
  style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">The last 4 digits are 
  the date code.&nbsp; Usually the year and&nbsp;day of&nbsp; manufacture 
  (Julian Calendar).&nbsp; I have profiled the sensors by getting a 1/4 NPT pipe 
  coupling and screwing one sensor in one end and another sensor in the other 
  end. I set up with 2&nbsp; DR562&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; sensors. I 
  applied a sine wave from a HP 3324A to one sensor and looked at the output of 
  the other sensor with a Nicolet 440 scope.&nbsp;with 1 VPP amplitude I sweep 
  the frequencies from&nbsp; 1Khz to 50 Khz The highest amplitude was always at 
  6 Khz. Of the 14&nbsp;</SPAN></FONT><o:p></o:p></P></DIV>
  <DIV>
  <P class=MsoNormal><FONT face=Arial color=blue size=2><SPAN 
  style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">sensors I tested they 
  all responded the same. I concluded that the sensors are not all that 
  different and could be interchanged.I then tested 9 external det modules from 
  AASS,HKD,HKR,BLN,ANBZ ect.&nbsp; The output is 10 volt until&nbsp;between 4 
  Khz and 12 Khz the output would go low . Again 6 Khz was the sweet spot.&nbsp; 
  &nbsp;</SPAN></FONT>&nbsp;<FONT face=Arial color=blue size=2><SPAN 
  style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: Arial">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
  <DIV>
  <P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN 
  style="FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
  <DIV>
  <P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN 
  style="FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
  <DIV>
  <P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN 
  style="FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
  <DIV>
  <P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN 
  style="FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
  <DIV>
  <P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN 
  style="FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
  <DIV>
  <P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN 
  style="FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
  <DIV>
  <P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN 
  style="FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
  <DIV>
  <P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN 
  style="FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
  <DIV>
  <P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN 
  style="FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
  <DIV>
  <P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN 
  style="FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
  <BLOCKQUOTE style="MARGIN-TOP: 5pt; MARGIN-BOTTOM: 5pt; MARGIN-RIGHT: 0cm">
    <P class=MsoNormal style="MARGIN-BOTTOM: 12pt"><FONT face=Tahoma 
    size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">-----Original 
    Message-----<BR><B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B> David 
    Dowell [mailto:dowelljd at alltel.net]<BR><B><SPAN 
    style="FONT-WEIGHT: bold">Sent:</SPAN></B> Monday, February 21, 2005 8:22 
    PM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> A list for 
    Do-It-Yourself EFI<BR><B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> 
    [Diy_efi] Question on Knock Sensors</SPAN></FONT><o:p></o:p></P>
    <DIV>
    <P class=MsoNormal><FONT face=Arial size=3><SPAN 
    style="FONT-SIZE: 12pt; FONT-FAMILY: Arial">Hi 
    All,</SPAN></FONT><o:p></o:p></P></DIV>
    <DIV>
    <P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN 
    style="FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
    <DIV>
    <P class=MsoNormal><FONT face=Arial size=3><SPAN 
    style="FONT-SIZE: 12pt; FONT-FAMILY: Arial">I went to the junk yard to 
    gather parts and pulled several knock sensors off of Chevy Suburbans with 
    350 CID engines.</SPAN></FONT><o:p></o:p></P></DIV>
    <DIV>
    <P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN 
    style="FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
    <DIV>
    <P class=MsoNormal><FONT face=Arial size=3><SPAN 
    style="FONT-SIZE: 12pt; FONT-FAMILY: Arial">When I got back to the house 
    with them and cleaned them up, none have the GM numbers that are listed as 
    being for 350s.&nbsp; In fact, all the sensors have a number that starts 
    with DR-699-#### where the # is a number.&nbsp; In addition, all of them 
    have different numbers for the last 4 numbers (####).&nbsp;&nbsp; 
    </SPAN></FONT><o:p></o:p></P></DIV>
    <DIV>
    <P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN 
    style="FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
    <DIV>
    <P class=MsoNormal><FONT face=Arial size=3><SPAN 
    style="FONT-SIZE: 12pt; FONT-FAMILY: Arial">Can anyone out there tell me 
    what these numbers are for?&nbsp; Do you have a cross reference to the GM 
    part #'s.</SPAN></FONT><o:p></o:p></P></DIV>
    <DIV>
    <P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN 
    style="FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
    <DIV>
    <P class=MsoNormal><FONT face=Arial size=3><SPAN 
    style="FONT-SIZE: 12pt; FONT-FAMILY: Arial">Thanks for the 
    help.</SPAN></FONT><o:p></o:p></P></DIV>
    <DIV>
    <P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN 
    style="FONT-SIZE: 12pt">&nbsp;<o:p></o:p></SPAN></FONT></P></DIV>
    <DIV>
    <P class=MsoNormal><FONT face=Arial size=3><SPAN 
    style="FONT-SIZE: 12pt; FONT-FAMILY: Arial">Dave</SPAN></FONT><o:p></o:p></P></DIV></BLOCKQUOTE>
  <P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN 
  style="FONT-SIZE: 12pt"><BR><BR>************************************************************************<BR>This 
  e-mail and any of its attachments may contain Exelon 
  Corporation<BR>proprietary information, which is privileged, confidential, or 
  subject <BR>to copyright belonging to the Exelon Corporation family of 
  Companies. <BR>This e-mail is intended solely for the use of the individual or 
  entity <BR>to which it is addressed. If you are not the intended recipient of 
  this <BR>e-mail, you are hereby notified that any dissemination, distribution, 
  <BR>copying, or action taken in relation to the contents of and attachments 
  <BR>to this e-mail is strictly prohibited and may be unlawful. If you have 
  <BR>received this e-mail in error, please notify the sender immediately and 
  <BR>permanently delete the original and any copy of this e-mail and any 
  <BR>printout. Thank 
  You.<BR>************************************************************************<o:p></o:p></SPAN></FONT></P></DIV></BLOCKQUOTE></BODY></HTML>

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