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.

Engine light flashes then stays on while pedal to the floor.

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Old 11-01-2005, 06:16 PM
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Strange development today, we swapped coil 3/6 for 2/5 and the car ran perfectly for 10 min or so then it went back to misfiring and the engine light came back on. I have no clue what to make of that. anyways tomorrow I am going to change the plug and if that doesnt fix it then I guess its off to the dealer for them to check it out.
Old 11-03-2005, 02:27 PM
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Well it was the spark plug causing all the problems, changed that and now its running much better. This plug was all sorts of messed up. Kinda weird cause the rest were fine.
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