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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 12-19-2007, 11:54 PM   #21
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Default Re: It appears . . . same problem occurring on my 95 Bonnevi

Originally Posted by Bonneville95_loveit
I have a 95 Bonneville--proudly reporting 207,459 miles. I have been reading your forum. I await to hear the outcome of your dilemma. I hope your solution is the same for me. What does all the acronyms mean--PCM? ICM?
PCM is the Powertrain Control Module, ICM is the Ignition Control Module...

This is always the hard part as this can be cause by several things... Usually its has to do with either the Crank Sensor, Ignition Control Module or the Powertrain Control Module...

More than most of the time we have seen the PCM'* on the 94-95'* fail in this manner... But usually they are doing a lot worse in terns of stalling...

Its just really hard to say without being there to look at the car.. I'd love to put the Scan Tool on both of your cars... And try to point you guys in the right direction..

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Old 12-20-2007, 01:42 AM   #22
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Default Stalling while driving

Hi Bonneville95_loveit,
I see Jr's3800 listed the definitions for you.
Hopefully all of this would be helpful to you to correct the issues you are having This has sure been a pain to me. (I think you can relate
This Bonneville forum has been a tremendous help to me over the last couple of years for other issues in keeping my Bonnie rolling. The knowledge and the willingness for others to share what they have learned is priceless and to those of you who have been assisting me on my issue I greatly appreciate every bit of it.

Jr's300,It would be interesting to see what your diagnostic tools might reveal, sigh...

Anyway, we have been having a lot of rain so to spend time under the hood to do testing on the harness will have to wait.
No other Bonnie available at this time to try ICM parts from but I am looking. Good suggestion though. It would be great to find one up on blocks because the tyranny went out or something like that unrelated to electrical.
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