94 bonne cam/crank ecm? Help please! - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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 09-07-2006, 01:22 PM   #11
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Sorry, same IP as another member named Kobrak. He'* got a 2001 SSEi.
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Old 09-07-2006, 01:24 PM   #12
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No Prob, Any ideas about my car???
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Old 09-07-2006, 01:37 PM   #13
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Hard to have too many ideas when we can't look at it...

Could be a bad Ignition Control Module or the PCM... Or a break in the wiring to these items... Hard to say... You might need to find a better mechanic that knows a little about the 3800, and can hook up a scantool and see if the info from the PCM is making any sense..

At the same time both the Crank sensor and Cam sensor signals run through the ICM..

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Old 09-07-2006, 01:57 PM   #14
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So if the Icm is bad thenthe other parts won't work right, cam/crank? what'* the part exactly called, been searching for it.. PCM and ICM are the same thing? Sorry, i'm not car lingo literate..
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Old 09-07-2006, 02:00 PM   #15
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Its a possibility... we can't say that for sure being that we can't look at it...

But the ICM is the Ignition Control Module

The PCM is the Powertrain Control Module( Cars computer )

These 2 item can cuase quite a few issues... But a good Mechanic should be able to track it down... Know of any mechanics with good word of mouth?

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Old 09-07-2006, 02:04 PM   #16
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Yeah working on that. Thanks for the help. will get back.
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Old 09-07-2006, 02:14 PM   #17
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is there a certain mileage that 94 se'* have this sort of problem? anyone? also wondering if you need to know my engine is "L".. not really sure what that means.. my car has 150, 000 miles it seems to be a the point when things are going through a round. Lots of work done recently on brakes/ and the main vents stopped working/then all the sputtering/rev issues... all seem to be unrelated..

Wondering if this could all be due to a bad fuel injector? thinking 5 isn't firing..or only sometimes..
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Old 09-07-2006, 09:35 PM   #18
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When they changed the cam sensor did the check for the magnet?
I just changed my ICM and it did nothing. I think I'm going to try the PCM next before I break into the engine.
I'll let you know if I find the source before your mechanic.
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Old 09-08-2006, 06:29 PM   #19
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Mine turned out to be a broken vaccuum somewhere..
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Old 09-11-2006, 11:48 AM   #20
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Quote:
Originally Posted by t_j303
Mine turned out to be a broken vaccuum somewhere..
Thanks for letting us know what you did to get it fixed, but I have a couple more questions for you. Did you get the codes read after the mechanic replaced the cam and they SES light went on again or were those just the original codes?

It matters because a vacuum issue, while certainly a culprit of missing and rough running, should not throw the codes you mentioned above.

I just want to clear this up so that we don't mislead others.
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