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Re: 3.6 GM timing chain stretch cause misfires?
Posted to Technical Discussion Forum on 10/15/2016

Justin,

Do you have a misfire at low speeds only?

Does it improve with rpm?

What are fuel trims doing?

What kind of test equipment do you have?

I have had valve seat and valve sealing issues on 3.6L that affect one bank.

These vehicles are pretty g... Login to read more.