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Old Oct 24, 2004 | 06:20 AM
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myltwon's Avatar
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Bolt-On 2v GT
 
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My car has a slight missfire and backfires under decelleration

anyone know if these two problems accoring at the same time mean anything to a specific problem
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Old Oct 24, 2004 | 09:08 AM
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TTT
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Old Oct 24, 2004 | 09:18 AM
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Could be O2 sensors.
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Old Oct 24, 2004 | 09:22 AM
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hmmmm that's what I was thinking too....but wouldn't bad 02's throw a code?
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Old Oct 24, 2004 | 10:31 AM
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maybe your muffler is blown out?
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Old Oct 24, 2004 | 11:48 AM
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muffler.....blown out......


well that wouldn't explain much because it's a brand new muffler, and the problem was there before when I ran oe muffler, cutout, and new muffler
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Old Oct 24, 2004 | 01:14 PM
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like loud loud backfire...or like a popcorn noise sorta backfire...cause i get the popcorn sound all the time.
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Old Oct 24, 2004 | 01:19 PM
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occasionally I'll get the loud backfire but popcorn for the most part
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Old Oct 24, 2004 | 04:15 PM
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i get the popcorn stuff all the time.. i think its o2 sensors cuz i knwo mine are bad
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