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03 f150 miss fire when accelerating need help

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Old 11-21-2015, 03:58 PM   #1
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Default 03 f150 miss fire when accelerating need help

Hello I have an with my truck 03 5.4l the miss only shows up when it's warmed up and when I'm accelerating though it just started yesterday morning and on my way home a code poped up saying cylinder 6 miss fire. But it's completely fine idling. If I Rev it in park or neutral there's no miss either only when there is a load on the engine any ideas
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Old 11-21-2015, 05:34 PM   #2
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Possible causes ...
  • fouled/faulty spark plug.
  • faulty COP | boot.
  • fuel injector and/or wiring connection to it.
    etc., etc., etc..

HINT/TIP: You may find posting in the
Late Model F150s > 1997 - 2003 Ford F150
section more helpful/appropriate than General F150 Discussion posts.

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