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Registered
Join Date: Jul 2005
Location: OKC, OK
Posts: 38
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Could it be my DME?
I have an 88 951 that I finally got back together after doing a headgasket and some other items and it won't start! This thing ran before I did the headgasket. The fuel pump runs fine. There is apparently enough pressure because a quick test of the injectors into a container shows a good spray pattern when hooked to the fuel rail. The injectors are getting a signal to fire, the "noid" light flashes like it should when cranking. The one thing I have found is the spark is strange. With a spark tester connected inline with the dist. cap I will get two good sparks during cranking and then no more! Any ideas? Could it be the DME? I'm about ready to give up...
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11-19-2005, 04:04 PM
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Join Date: Feb 2000
Location: Kingsport, TN
Posts: 2,938
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Did you reverse the crank position and rpm leads near the firewall?
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Lawrence 1986 951 2002 SLK32 AMG 1987 328GTS 2011 528i Last edited by Lawrence Coppari; 11-20-2005 at 03:10 AM.. |
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11-20-2005, 03:06 AM
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Join Date: Jul 2005
Location: OKC, OK
Posts: 38
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I tried them both ways, no difference. Would the DME still fire the injectors without a signal from these reference sensors? I checked both of them with an Ohm-meter and they checked out OK.
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11-20-2005, 08:35 AM
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Join Date: Jul 2005
Location: OKC, OK
Posts: 38
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FOUND IT! Turns out when I installed the fuel injector wire harness that I made in pins 14 & 15 of the DME plug pin 21 found it's way out. I found it by checking the wires that report directly to the KLR from the DME. Simple as that but what a pain in the butt it has been! Thanks to all for the help!
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11-20-2005, 03:56 PM
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