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Kenworth isx12 oil pressure stuck at 21psi?

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by mixingconcrete, Aug 19, 2022.

  1. Aug 19, 2022 #1
    mixingconcrete

    mixingconcrete Light Load Member

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    Apr 14, 2019
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    Hello have a 2017 kenworth t880 with a isx12 and the engine oil pressure was stuck at 0 and now it is stuck at 21psi even when truck is off and key on.
    Changed the oil pressure sensor and its exactly the same? What else should i be looking for?
    I checked harness for damage but it all looks good
     
    mixingconcrete, Aug 19, 2022
    mixingconcrete, Aug 19, 2022
    #1
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  3. Aug 19, 2022 #2
    Goodysnap

    Goodysnap Road Train Member

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    Jul 12, 2017
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    Any active faults?

    You may have to clear to get the pressure to start reading again after the new sensor.

    Default value most likely.
     
    Goodysnap, Aug 19, 2022
    Goodysnap, Aug 19, 2022
    #2
    spsauerland Thanks this.
  4. Aug 19, 2022 #3
    mixingconcrete

    mixingconcrete Light Load Member

    99
    40
    Apr 14, 2019
    0
    no fault codes. Thats the weird thing. Im guessing since its stuck at 21, the ecm probably thinks that everything is all good
     
    mixingconcrete, Aug 19, 2022
    mixingconcrete, Aug 19, 2022
    #3
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