Ford F-150 Forum Discuss the Ford F-150 here.

What the...

Old 04-13-2009, 04:48 PM
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Join Date: Nov 2007
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Default What the...

I am the new owner of a 07 F150 w/ a 5.4L, 18560 miles. The day after I bought it I notice during a fairly hard excelleration I get a serious miss and hesitation with some popping ..not sure if it is in the exh or intake. So I take it back to Ford and they say there are no codes but they replace the coil pak on #4, well today it is doing the same thing, anyone have any clues or experience with this!

Old 04-13-2009, 10:25 PM
EvansBlue's Avatar
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Join Date: Mar 2008
Location: Princeton, NC
Posts: 375

I have heard they have problems with losing compression around the spark plugs. The threads around the spark plugs apparently get stripped.

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