Quote Originally Posted by Scottydoggs View Post
you got that fat plug on the front of the engine from the coil harness/ cam harness. mine got dirty i guess and was causing the fuel pump to quit. i would get up to 3 codes, 3x signal, crank and something else from it.

cleaned that plug added some grease and aint had a issue since. its a free repair at least if thats not it.
Are you talking about the icm plug? Unrelated I've been getting a p0300 code on long highway trips. Only highway though, I don't notice these supposed misfires either. Might try changing out the icm since I have a spare.

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