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Random misfire

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spyderdrifter

15+ Year Contributor
5,422
854
Jul 11, 2009
Somewhere in, Colorado
I would normally research this before asking, bit I'm on break at school and kinda pissed about my car. I swapped my ignition coils Monday since the coil for cyl 2&3 would randomly not work. The replacements have worked until earlier today. This time only cyl 2 had no spark. Then I got it to work an hour later and all is fine until the next time it wants to crap out. Is this good evidence of the random misfire associated with 6 bolt swaps in 2Gs? I still have the original 2G head on it. I haven't had a chance to test the cos yet or the transistor, but will later tonight once I find the specs. When the coil isn't working, the car will start and run rough and die if I increase RPMs to 2k. If I don't rev, it'll idle around 3-400 RPMs and sound like it'll die but doesn't.
 
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