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Re: F150 5.4 Phaser Rattle and misfire
Posted to Technical Discussion Forum on 9/18/2011 2 Replies

Hey Mario, glad to see your back at work. My concern with your truck is that with higher mileage, how good are the chain tensioner seals? The seals fail causing inadequate oil pressure on the chain tensioners. [2004 Ford F-150 Lariat, Engine/Propulsion Photo] ... Login to read more.

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