hesitation

  1. D

    HELP!! Trouble diagnosing acceleration stumble, 96, FORD, E350 van, 5.8, EFI EEC-IV, E4OD

    Hello trouble shooters. I have an issue with my van that is driving me nuts. 96 was the transition year from OBDI to OBDII and my van was early on the line so it did not get the OBDII system. I am getting what I describe as a stumble when trying to accelerate in the higher gears. The...
  2. S

    2002 Pontiac Sunfire lack of engine power.

    Please fill out the following to ask a question. MAKE: Pontiac MODEL: Sunfire SE YEAR: 2002 MILES: 135,081 ENGINE: 2.2L OHV Vin 4 DESCRIBE ISSUE.... Engine is lacking power while accelaration. I just had fuel pump replaced less than 2 weeks ago due to DTC P0171 code. After pump was changed, car...
  3. Y

    Toyota 2.4L misfire, HERE'S A GOOD ONE TO FIGURE OUT.

    Please fill out the following to ask a question. MAKE: Toyota MODEL: Highlander YEAR: 2004 MILES: 140,000 ENGINE: 2.4l DESCRIBE ISSUE.... Sporadic misfire / power loss during low-end acceleration / power application: The "hesitation" happens just off-idle when the vehicle is stopped and the...