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Paccar mx13 code help.

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Oldironfan, Jun 10, 2018.

  1. Jun 10, 2018 #1
    Oldironfan

    Oldironfan Road Train Member

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    The top code shows high EGR pressure. I'm guessing it's stuck or done. I heard one big cough than that was all. Just over warranty at 403,000 miles. Check light stays for engine in yellow.
    Thanks for the help.
    20180609_202800.jpg
     
    Oldironfan, Jun 10, 2018
    Oldironfan, Jun 10, 2018
    #1
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  3. Feb 23, 2020 #2
    Lightning McQueen

    Lightning McQueen Bobtail Member

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    What happened with that I was thinking maybe your cooler was clogged or DPS sensor was bad
     
    Lightning McQueen, Feb 23, 2020
    Lightning McQueen, Feb 23, 2020
    #2
  4. Feb 23, 2020 #3
    Goodysnap

    Goodysnap Road Train Member

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    Jul 12, 2017
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    You don't list any FMI with your fault codes- Get hooked up and get a P code and we can get somewhere.

    1209 is related to Pre-turbine exhaust pressure issue- Tis the sensor with the tube directly off the exhaust manifold.

    3821 is EGR engine derate most likely related to above -P1496

    The 77 doesn't come up for me as engine related.

    If this is an EPA17 engine- the tube fittings crack and break at the sensor manifiold. I have also seen the pressure sense tubes plugged with a slug of carbon with high idle or light load engines
     
    Goodysnap, Feb 23, 2020
    Goodysnap, Feb 23, 2020
    #3
    pushbroom Thanks this.
  5. Feb 23, 2020 #4
    pushbroom

    pushbroom Road Train Member

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    Its from 2018 :)
     
    pushbroom, Feb 23, 2020
    pushbroom, Feb 23, 2020
    #4
    spsauerland Thanks this.
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