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missing and backfiring help!

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Old 10-24-2002, 10:31 PM
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Default missing and backfiring help!

#2 bank is running rich causing miss fire code. o2s are fine,every thing looks great.I just don't know?
Old 10-25-2002, 08:52 PM
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Default Re: missing and backfiring help!

Check your plugs & wires, if you got a constant miss fix that first. If it sets a misfire code & ses light is flashing it is missing.
Old 10-26-2002, 11:16 AM
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Default Re: missing and backfiring help!

You could also have an exhaust leak before it hits the sensor. So, the sensor's saying "Huh? I ain't got enough burnt fuel here", so it dumps more into that bank...
Old 10-26-2002, 03:41 PM
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Default Re: missing and backfiring help!

THANKS FOR INFO. But I don't have exaust leak or bad plug wires.The car is rich on #2 bank and lean on #1. I don't have a clue. Timmers chevy is helping but, their getting stumpped.




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