skip-Fuel Knock- or normal ?
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From: Cleveland Ga. North Ga.
skip-Fuel Knock- or normal ?
I posted a few days ago about,2006 F150,5.4 It will lose pwr. at highway speeds start skipping a little, also sometimes it will make a knocking sound like a diesel fuel knock. But if you ease off and take it out of O.D. it goes away that fast. It showed a [misfire #4cylinder once] I cleared that and did complete tune up [truck has 100,000 +] I replaced plugs, fuel filter, air filter, oil filter,etc. everthing motorcraft spec. Engine runs great, but has repeated above problems once. No Codes Any ideas ? it sounds like it's fixing to crapout but then runs great.
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