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  1. S

    04' Sport Trac 4.0L 0psi in cylinder#3

    Was out driving (Doing bout 60-65) when it started to run a lil rough (aka fighting to keep itself running). Couldn't figure out why, Then I did a compression test & 0psi in #3. So I now assume a valve is stuck open. Someone told me there could be a hole in the cylinder & I do not understand...
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