ANSWERS: 2
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Taking off a plug wire isn't really noticable when the engine is just idling and not pulling the car. One of the wires may not be on all the way, or possibly a faulty wire. I would take the vehicle to autozone or advance auto parts and have them plug in the code reader and see what the problem is, if you can make it there(this is a free service and they can do it if needed). If you can't make it there, you can buy a code reader for like $40. Good luck.
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Diagnose notice cylinder 1 misfire. I did check it so many time but don't realize why ?/?
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