what happened ? - 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 08-26-2007, 12:17 PM   #11
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well, i checked everything, vac leak, tb cruise wire, and cleaning everything from the tb and nothing... i'll buy another PCM.. i'll try this
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Old 08-26-2007, 12:24 PM   #12
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Is the car supercharged or not? L27 or L67?

Carefully inspect the EGR delivery tube to the intake manifold or supercharger. If it'* cracked, it'll do what you describe.
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Old 08-26-2007, 12:42 PM   #13
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Used trans?

Did you happen to catch what year vehicle that "new" trans came from? Electronics varied inside the trans throughout the years.

Also, the gear ratios could be different from what the computer thinks should be there. That will give the PCM some heartburn.
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Old 08-27-2007, 06:46 PM   #14
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Quote:
Originally Posted by willwren
Is the car supercharged or not? L27 or L67?

Carefully inspect the EGR delivery tube to the intake manifold or supercharger. If it'* cracked, it'll do what you describe.
it'* a n/a engine.... i don't no exactly the engine code for this vehicule year

i'll check it thanks
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Old 08-27-2007, 06:51 PM   #15
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Quote:
Originally Posted by sandrock
Used trans?

Did you happen to catch what year vehicle that "new" trans came from? Electronics varied inside the trans throughout the years.

Also, the gear ratios could be different from what the computer thinks should be there. That will give the PCM some heartburn.
honestly i dont remember the year of the tranny... the mechanic'* told me but i dont remember it.. i will know it soon what happened with my car... i'll scan it
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Old 08-27-2007, 06:51 PM   #16
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It'* an L27 if it'* not supercharged.
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Old 08-27-2007, 06:52 PM   #17
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Quote:
Originally Posted by willwren
It'* an L27 if it'* not supercharged.
ok thanks
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Old 08-27-2007, 07:19 PM   #18
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There is a tag (well, SHOULD be a tag) on the transmission. Backside, facing the firewall, passenger side, near the differential cover. Looks like this:

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We are interested in digits 3-6. In this case, 5BFW. That will tell us if this trans is compatible for your year. If you can get to it, and read the numbers (will probably have to wipe road grime off of it), and post them, that will help us help you.
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Old 08-27-2007, 08:14 PM   #19
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i will check this
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Old 09-01-2007, 08:09 PM   #20
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well, the problem was the pcm! we scaned it and after erease the code it had always another code who appeared... we change the pcm and everything is clean! :P
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