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runs bad

  1. 7.3 losing power

    99-03 7.3 Motor Problems
    I have a 2001 f250 7.3 auto. 202,000 miles. Driving at over 2000 rpm it runs perfect. If I try to maintain any rpm below that, say 1700, while holding at that speed it will drop 300-400 rpm and then in 2 seconds recover. This happens 2-3 times per minute. all gears. On 2 occasions while...