backfiring problem - 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 04-30-2006, 05:08 PM   #1
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How easy are backfiring problems to fix? im currently looking at this car and the owner says that there is an intermittent problem when increasing speed from 30-50 only. what is a backfiring problem, is it easy to fix, or do i need an entire new engine?
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Old 04-30-2006, 06:30 PM   #2
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Can you give any more info. Is it backfiring through the exhaust or intake?
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Old 04-30-2006, 06:33 PM   #3
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Old 05-03-2006, 12:05 PM   #4
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Heck, for 300 bones, I would buy her, but no way of getting out to Ilinois to pick her up. Good project car to convert my SE over to SSE!
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Old 05-03-2006, 12:15 PM   #5
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Backfiring could be ICM or bad wiring related.
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