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2002 Ford F-150

Question: skips bad when accelerating

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stinkytoe, V8, Woodstock, GA, December 05, 2009, 07:42
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 Rookie

351 efi runs fine at steady speed untill you accelerate. the truck bucks bad ,,,back off the gas and no more skip..fuel pressure SEEMS fine (no guage)at rails,changed fuel filter...no codes didn't check egr stuff the heads were off 5000 miles ago, plugs and wires good,,,at full throttle can feel the miss and lack of power but truck dosen't buck(like plugs)

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  • Answer #1

    Bret Bodas December 08, 2009, 10:59
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     Master

    I would check the fuel pressure at the time of the fault, as well as all the other input data to the PCM. This will require a fuel pressure gauge and a good scan tool.

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