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Old 12-28-2015, 09:26 AM   #1
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Rough idel and missfire

So my 96 cobra and I have been having a problem for some time. It has a rough Idel and tons of misfire after she gets warmed up. Runs like a dream before that other than the rpms stay like 3k ish when im at a light for a while before they start to go down. Also it likes to surge/hump idle at the light when it does come down. Huge list of new items replaced trying to figure it out. Intake gaskets, IAC, MAF, TPS, EGR, 02 sensors, the list is LONG and still the same problem.
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Old 12-28-2015, 09:45 PM   #2
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Find your vacuum leak
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