Spark plugs are fouled again!!!! - 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 07-22-2007, 06:46 PM   #11
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Yeah the coils are good. But then again that specific spark plugs doesn't have a lot of oil on it, it'* just a noticeable amount of oil on the thread and carbon on the electrode. But this is the worst looking plug out of the 6. The plugs been in my car for about 3 months.
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Old 07-23-2007, 01:57 PM   #12
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I've had positive & impressive results with Bar'* Engine Oil Stop Leak 'With Seal Conditioner"
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Old 07-23-2007, 01:59 PM   #13
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Changing to a different plug may not be the answer if you have other problems causing the fouling.
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Old 07-24-2007, 08:39 PM   #14
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One of my lifters does tick when I start the car, could this be a problem? Could any information from a scan tool point me in the direction of my problem, such as IAC, IAT, o2 readings and such?
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