very bad misfire under load (93 SE) (SHES ALIVE!) - 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 09-06-2007, 12:00 AM   #11
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Make sure you let the shop know what your suspicions are so they don't overlook those things.
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Old 09-06-2007, 12:31 AM   #12
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i did that ealier today. We know the owner of the shop and his son who is a mechanic there, which is who i talked to. He went to my school. Thanks for the tips. If you got any more, keep em coming lol
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Old 09-06-2007, 09:31 PM   #13
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they think its a bad icm and ordered one today. They thought they could fix it today, but they never called me back after the intital call. Didnt help I couldnt give them the go until around 1-2 PM. If its not the icm, they can return it which is something I couldnt do. Hopefully she'* back tomorrow.
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Old 09-07-2007, 05:36 PM   #14
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Just got the car back. It had a bad ICM, and a a coil that went out on me on my way to the shop. Everything was replaced with acdelco, so hopefully they will last a while. This ended up being a $550 pain in the arse on a car I dont plan to keep very much longer. It was 450 for the Mechanics total, and then the other $100 comes from the coil, plugs, and wires I replaced before taking it in. Also, like Bill said, ICM tests arent accurate.
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