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5.3 Misfire on number 7
Posted to Technical Discussion Forum on 3/20/2019 25 Replies

Hey guys.

I have an 08 Silverado here that is driving me crazy. It came in misfiring on number 7. Pulled the plug, oil fouled and wet, with parts of the porcelain missing. Performed compression test and found it to be lower than the rest by 20psi. Installed ... Login to read more.

25 Replies Received (View Replies)