Indication that Cam phasers have failed?
6/18/10, 09:09 AM
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Mach 1 Member
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Indication that Cam phasers have failed?
I'm looking into one more thing in my car before I replace the fuel pump, and that is making sure cam phasers havnt failed or just one of them.
Waht are the indications that a phaser has failed or is failing? Is there a way to test it?
Waht are the indications that a phaser has failed or is failing? Is there a way to test it?
6/19/10, 02:29 PM
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Mach 1 Member
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It they are anything like the 5.4 engines in the f150's, they would make the engine sound like a diesel engine at idle when the engine is warm. If you rev it in neutral past 1200 rpm, the knocking sound would go away.
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