I have a 2004 Chevy Classic with about 235,000 miles on it. Up until this point, it’s been a reliable work car. I got into the car this morning and upon starting it and idling I had a VERY noticeable misfire. The check engine light was on. As soon as I backed out of the driveway and started driving …

2004 Chevy Classic MISFIRE

Mustangman May 4, 2021, 11:46pm 16

Replace all 4 plugs, do the valve cover gasket and consider a new coil pack.

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