LT1-LT4 Modifications 1993-97 Gen II Small Block V8

miss fire ?

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Old 07-27-2009, 06:06 PM
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Default miss fire ?

I have the egr system deleted as well as emmisions. should I replace my o2's or will they foul again. no tune also i have longtubes .. so should i tune them out or replace them?
Old 07-27-2009, 07:02 PM
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Well are they before or after the cat? Also why do you think the O2's are bad? I would get a tune for the long tubes and all the emissions stuff you deleted. Need more info on your problem.
Old 07-27-2009, 10:31 PM
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no cats on the car. And my o2s wire is exposed so i think that may need to be fixed. and i have a dumped exhaust




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