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7.3 slow warm up/function

  1. 99-03 7.3 Motor Problems
    :dunno:I have a F250 7.3. I have just replaced the vacuum pump fixing my brakes. No longer have to be superman to use the brake petal. However, it did not fix a real poroblem I still have. The truck has to warmup for a very long time to work. Even after the engine gets to full tempature, until...