Thread: 2003 F150 Supercrew V8 5.4L rough idle making popping sounds
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Old 11-11-2009, 08:21 PM   #2
transgta
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Re: 2003 F150 Supercrew V8 5.4L rough idle making popping sounds
I had a loose spark plug did same thing.Sounds like a lotta work but i was gonna trade my truck it bugged me so bad.
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