Low speed engine miss - 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 10-13-2004, 01:13 AM   #1
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Default Low speed engine miss

I have asked this once before but have done some work since them and still have the problem.

When I am in drive and doing about 30 to 40 mph I can feel an engine miss. Sometimes it is worse than at other times and sometimes you can't feel it at all. If I really get on it, I can't feel a miss.

Here what I have done so far.
1. Replaced the Ignition Module and coil packs (used set).
2. Spark plug wires.
3. Spark plugs.
4. Fuel filter, air filter and pvc valve.

Any thoughts would be greatly appreciated.
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Old 10-13-2004, 01:23 AM   #2
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Do you get a Check Engine light? I've always got one whenever I got a miss, turns out one of the wires didnt like to seat on the coil pack. If you get a code it will help you hunt down which cylinder is misfiring.
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Old 10-13-2004, 10:19 AM   #3
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No Check Engine Light or any codes at all.
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