Question about 2001 Ford Expedition

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I have installed all new inserts for the spark plug problem, my issue now is that I seem to be hearing the same ticking noise that preceeded the spark plug blow out. The difference with this issue is it is most pronounced when cold and seems to move from cylinder bank to cylinder bank...I just did an oil change recently though, I'm thinking oil distribution or lifter problem>?>

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I have a '97 F-150 that also has what sounds like occassional valve tap/lifter noise. It comes and goes, cold or hot it doesn't matter. I'm thinking the lifters are going, maybe collapsing and pumping back up. Anyone have ideas?

Posted on Sep 28, 2010


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