Serious Problems - Page 3 - 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 05-14-2009, 08:15 AM   #21
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Sorry to tell you. Your mechanic doesn't know his 3.8L'* overly well. You described the symptoms on an internet forum and got the answer. He looked it over in person and misdiagnosed it. The plugs were wet and goopy because they had coolant on them. Probably overdue for a change..but still. Crank sensor was probably not bad, the coolant doesn't burn well and causes what you mentioned. Most mechanics have seen the bad UIM many times on 3.8L'* because it'* the most common failure on them.

Hopefully you caught the UIM in time and all is well when you change out the manifold. PS, please change your LIM gaskets at the same time. They will look horrible and need to be changed.

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well gentlemen........good news car now runs........bad news still misfiring not as bad, and it'* still blowing white smoke. AND and this deserves a big AND there was no coolant in the holding tank. SO 3 problems fixed... new crank sensor=done new spark plugs=done car runs=check...... more then likely new intake gaskets to come. F*CKING A..... what a hassle..... will know more info Monday or Tuesday when he has more time to look into it.
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Old 05-15-2009, 11:55 AM   #22
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k so i was just wondering is there such thing as a metal replacement instead of that plastic crap?? Because it seems stupid to use plastic again.
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Old 05-16-2009, 01:20 PM   #23
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anyone?
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Old 05-16-2009, 01:32 PM   #24
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Are you refering to the LIM gaskets? Check out intense-racing or ZZ performance, they both sell a aluminum framed gasket that corrects the problems with the stock plastic gaskets.
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