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Missing problem

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turboman38

It costs money to go fast
Joined
Aug 1, 2001
Messages
387
Still have a miss in the motor. It's most noticeble on a hot day when the engine is under a "light load". Also can notice it when the cruise control is on. At 70 to 80 mph I can feel the car and hear the car miss/hesitate. I have changed all the normal things. Module, coil pack, MAF, crank sensor, wires, plugs were all changed. There is an aftermarket ECM in it. Under heavy acceleration the car runs fine.

My car has 147,000 miles on it. Could I have a short in the wiring harness somewhere that is causing this? If so where do I start to look?

Any suggestions are greatly appreciated as this has been a problem for over a year.
 
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