1999 4.0 stutters

Discussion in '1998 - 2011 Ford Ranger' started by Dave1899, Apr 9, 2019.

  1. Dave1899

    Dave1899 New Member

    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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  3. OP
    Dave1899

    Dave1899 New Member

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

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