Engine miss fire trouble shooting
05-12-2010, 08:03 PM
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Engine miss fire trouble shooting Ok i have a miss fire on cylinder 7 on my 2002 z28. The code only comes on when i'm driving down the highway at 70mph for about 15-20min. The car had been ith the chevy dealer 3 weeks ago for a week with no luck as to figuring out what the problem is. They had checked the plugs, wires, coils, injectors etc... along with having the car hooked up to a computer while driving it around. The car is back in the shop again for the same thing. I have ran through everything i could think it could be.. do yall have any other suggestions as to what it could be???????
