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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.

2 and 5 cylinder misfire

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Old Jul 25, 2008 | 08:19 PM
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Default 2 and 5 cylinder misfire
I am working on a 97 bonni 2 and 5 are misfiring changed plugs,wires, coil and crank sensor, hand computer checked all fine whatcan it be?
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Old Jul 25, 2008 | 08:28 PM
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Check your coil again. If both plugs are misfiring then it has to be the coil. Check the terminals underneath as well.
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