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2007 5.4 3v ticking

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Old 07-25-2014, 11:48 AM
ingerson ingerson is offline
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2007 5.4 3v ticking

I have a 2007 F150 King Ranch Super Crew and it makes a ticking sound. I have read about the VCT solenoids and the phasers. My issue is that the ticking noise can be heard at Highway speeds. At it seems to be quicker as the engine speed increase. Not sure what to think. No rough idle. What could this be.
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Old 07-25-2014, 03:57 PM
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Its prob a loose spark plug or leaking exhaust gasket. Check the coil boots for brown soot to find the leaking plug.
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Old 07-25-2014, 04:39 PM
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Thanks for the suggestions. Will have to take a look this weekend.
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Old 07-27-2014, 06:47 PM
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My 2007 5.4 had the exact same problem. Coils tested, all good, no lose plugs, had them done about a year ago at the dealership. I pulled the passenger side cover, waiting now for the spring compressor to come so I can start replacing the lifters. Strong suspicion it's a bad lifter making the noise.
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