2003 4.2 V6 GMC Envoy misfire Diagnose and Repair

Описание к видео 2003 4.2 V6 GMC Envoy misfire Diagnose and Repair

The 4.2 had a terrible miss that happened out of the blue. In this video I diagnosed the misfire without using a reader just with basic tools. I changed out all the spark plugs anyway just due tothe fact no one knew the last time they had been changed. The issue turned out to be a bad coil pack winch usually costs around $50.00 from your local auto parts.

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