Thread: My F150s really do suck!
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kaisen kaisen is offline
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Join Date: Jan 2005
Location: Minneapolis
Posts: 7,482
If it sounds like a diesel at idle and quiets down over about 1,400 rpm it's cam phasers.... common on those 3V 5.4Ls, and not a super complex fix.
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Old 08-28-2016, 08:23 PM
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