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de-fueling

  1. 6.0 Motor problems
    [SOLVED] LIMP MODE, 04 6.0 limp-mode, derate mode, de-fueling... please help Long time reader, new member because im really at a loss. I got a 2004 F350 6.0 that's going into limp mode, or derate mode, or de-fueling whatever its called. when the truck reaches operating temp it wont rev past...
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