Intermittant stalling/check engine light problem **fixed** - 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 02-28-2007, 10:10 PM   #11
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Thanks for the the help. I still have the problem I looked over the wiring the best i could I didn't see any problems. I have been driving the car for about a week now and I have a few more symptoms. When the check engine light comes on there is a noticeable power loss. The first drive in the morning is usually fine but any trip after that the light comes on as soon as the car is put in drive and it stays lit for about a minute or so then gos out and the car is fine again. Are the computers a common part to fail on these cars? I can get a reman for $70.00. thanks
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Old 02-28-2007, 10:38 PM   #12
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The ECU/ECM can go bad, I'm not sure your symptoms are typical of the dying ECU though. Wouldn't want you to shotgun parts and run up costs before we go a little further with more diagnosing.
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Old 03-03-2007, 04:30 PM   #13
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Where is the coolant temp. sensor located on this car?
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Old 03-03-2007, 04:35 PM   #14
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There are two in the upper intake manifold near the throttle body. Disconnect them both and compare their resistance to ground. They should be very close to each other.
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Old 03-10-2007, 08:50 PM   #15
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Default Intermittant stalling/check engine light problem **fixed**

Well I replaced the ecm this morning and no more problems the car runs like new with a lot more power. Thanks for the help.
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Old 03-10-2007, 09:03 PM   #16
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Thanks for letting us know what was wrong. If you would please edit your title to add "(fixed)", that will help the next guy searching a similar problem.
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