2000 Freightliner with Cummins motor

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Mlowell, Feb 5, 2020.

  1. Mlowell

    Mlowell Bobtail Member

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    Feb 5, 2020
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    I have a Freightliner wrecker which is having issues going over 40 mph. I’ve replaced the Fuel filter. Speed sensor. The housing for the fuel filter. I fixed one of the ground wires. Replaced Air filter. The codes were ran again and is showing
     
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  3. Mlowell

    Mlowell Bobtail Member

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    Feb 5, 2020
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  4. EtherOrBroke11

    EtherOrBroke11 Bobtail Member

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    Jan 17, 2020
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    Is this a vp30 or vp44 injection pump but since you've already replaced the engine speed sensor I would check for a broken wire in the engine harness, ohm ecm side of harness to sensor side
     
  5. EtherOrBroke11

    EtherOrBroke11 Bobtail Member

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    Jan 17, 2020
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