Recent content by Dave1899

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    1999 4.0 stutters

    SOLVED.....Had a broken spark plug. Replaced all plugs and wirers and it's running great again. Thanks for the suggestions!
  2. D

    1999 4.0 stutters

    Could it be the DPFE sensor?
  3. D

    1999 4.0 stutters

    I can't believe I have the only truck with these symptoms.
  4. D

    1999 4.0 stutters

    Can't figure out why it stutters between 35 and 55 mph. It accelerates great and runs down the hyw at 70 mph smoothly. I've replaced just about all the sensors on the engine, replaced the fuel pump and cleaned the fuel system. Any ideas?
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