Please help Paccar

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Thrillbilly, Jun 29, 2020.

  1. Thrillbilly

    Thrillbilly Bobtail Member

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    Jun 29, 2020
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    There are no codes on the laptop. It did have high exhaust gas pressure. I'll check the sensor & tube as suggested. Thank you.
     
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  3. Thrillbilly

    Thrillbilly Bobtail Member

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    Jun 29, 2020
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    Where exactly is the exhaust manifold pressure sensor/tube? Is it in the BPV?
     
  4. Thrillbilly

    Thrillbilly Bobtail Member

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    Jun 29, 2020
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    In 2019 Paccar issued ECM updates. This truck was updated at that time. My understanding is that there were issues with the update that caused the problem I'm having. Post update is when my issue started but far less frequent than currently. Deleting it exaggerated the issue. Delete software must reflash back to factory VIN setting in order to remove faulty update. Sounds reasonable to me. Anybody else experience this?
     
  5. pushbroom

    pushbroom Road Train Member

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    Sensor is located by intake pipe to turbo. It has a steel line that goes to the manifold. Screenshot_20200630-234656_Chrome.jpg
     
    spsauerland Thanks this.
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