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Re: 2000 GMC W3500 w/ mechanical misfire
Posted to Technical Discussion Forum on 4/24/2014 1 Reply

Shannon,

the piston crown looks like the valve's kiss was not so recent as there is some carbon built up in the mark produced by the hit. Was this vehicle driven in this condition for a while?

With regard to the leak down test: On an engine difficult to d... Login to read more.

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