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1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 05-29-2007, 05:42 PM   #31
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Clean the ground busses regardless of dry or wet carpet. It'* a very valid troubleshooting step and something nearly every car on this Forum will benefit from.
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Old 05-29-2007, 05:44 PM   #32
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can you please tell me how to do that, and where they are located at? Much appreciated!!
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Old 05-29-2007, 05:54 PM   #33
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It'* in Techinfo.
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Old 06-01-2007, 01:56 AM   #34
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When it doesn't start, does the car attempt to run at all some of the time?

I had a similar problem but my car would run reallllly rough right before it quit. Replaced the crank sensor - it worked for two weeks then did the run rough and stall intermittently. Replaced the PCM/ECM - worked for two weeks then ran rough and quit. Replaced the crank sensor again - worked for a day. Replaced the PCM a SECOND time and, knock on wood has worked to this day.

It was a bad crank senor that somehow ruined the first ECM, and the second ECM was a dud. Not to rain on your day, but watch out for those reman-pcms.
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Old 06-01-2007, 10:15 AM   #35
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Quote:
Originally Posted by bmsgaffer86
It was a bad crank senor that somehow ruined the first ECM, and the second ECM was a dud. Not to rain on your day, but watch out for those reman-pcms.
I highly doubt that a crank sensor hurt a PCM. I would believe that the pcm was bad and the first one you got was also bad.
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Old 06-01-2007, 06:57 PM   #36
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Quote:
Originally Posted by BillBoost37
Quote:
Originally Posted by bmsgaffer86
It was a bad crank senor that somehow ruined the first ECM, and the second ECM was a dud. Not to rain on your day, but watch out for those reman-pcms.
I highly doubt that a crank sensor hurt a PCM. I would believe that the pcm was bad and the first one you got was also bad.
Thats what i thought, but thats what i was told. It is a field effect sensor right? Isnt there a possibility that something went wack and sent it a huge feild and nuked a chip or something? I dunno. Just speculation.
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Old 06-01-2007, 10:24 PM   #37
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I believe that it is a Hall effect device, and as Bill said, doubtful that it did any type of damage to the computer. I believe the '94 (along with the '95) computers were known to be problematic, and even replacements were known to be bad.
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