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Re: 2003 F250 6.0 poor power
Posted to HD/Fleet Forum on 6/8/2018 1 Reply

>By running the RPM up to 2000 and holding it steady, I then get random 3, 5, 7 & 2 misfires."

This symptom sounds much like air/compression in the fuel system assuming number 2 is being picked up falsely due to firing order. I would hold it at max rpm for ... Login to read more.

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