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misfiring and backfiring help

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Old 10-22-2006, 08:36 PM
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Default misfiring and backfiring help

98 z28, almost 80,000 miles.

Recently had plugs done about 6 months ago, upgraded fuel pump.

Car keeps back firing, idling rough want to die.

Hasnt thrown a code.

any ideas of what it can be?

Need help as this is my daily driver.
all things done to the car are in sig.

Thanks
Old 10-22-2006, 09:24 PM
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Bad gas would be my guess since I just had the same problem. Water in the fuel equals a lot of time this weekend cussing the local station I will never get fuel from again.
Old 10-22-2006, 10:41 PM
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no put 100 octan in my fuel noid was leaking BLAH slkfjlkfdj
Old 10-23-2006, 12:23 AM
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^^^^ok im totally lost by that statement
Old 10-23-2006, 12:29 AM
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My car did that when i had an exhaust leak where the header meets the heads..




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