Paccar MX 13 Fault Codes

Discussion in 'Peterbilt Forum' started by packerfan603, Nov 17, 2014.

  1. atmmechanic

    atmmechanic Bobtail Member

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    Apr 30, 2021
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    i am trying to get diagnostics for this code. have ran dosing test and valve is spraying good then code goes inactive after 3 test. i then send out on the road and light all come back on and def light flashing. checked wiring and all seam got back to the computer. thank you
     
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  3. Goodysnap

    Goodysnap Road Train Member

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    Please send private email address
     
  4. atmmechanic

    atmmechanic Bobtail Member

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    Apr 30, 2021
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  5. Gideon86

    Gideon86 Bobtail Member

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    Jan 15, 2021
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    what would the password be to unzip the epa2010 file
     
    Trooper13 Thanks this.
  6. DavidK57918

    DavidK57918 Bobtail Member

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    Sep 27, 2021
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  7. GYPSY65

    GYPSY65 Road Train Member

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    Nov 16, 2012
    SW FLA
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    I see that now
    I do or at least did have the Paccar link
    I’ll post it when I find it
     
  8. 2004Pete387

    2004Pete387 Bobtail Member

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    Oct 26, 2020
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  9. 2004Pete387

    2004Pete387 Bobtail Member

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    Oct 26, 2020
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    Do you have the conversion for these codes? 20211030_123422.jpg
     
  10. Goodysnap

    Goodysnap Road Train Member

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    3610-4/ P3767 DPF pressure low error
    4795-31/ P3790 DPF frequent regens
    3251-4/P3763 DPF delta pressure low
    2791-11- No FMI 11 found- EGR related- suspect EGR derate P1495
    3821-11/ EGR derate hard set- P1496
    1668-19/P30B3 After treatment1 Intake gas1 Message Low Rate Reception

    Suspect DPF, sensor or wiring issue to sensor or pressure tubes to sensor. EGR derates are progressive from DPF faults and require reset with Davie.

    Good luck
     
    2004Pete387 Thanks this.
  11. 2004Pete387

    2004Pete387 Bobtail Member

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    Oct 26, 2020
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    Thanks for your response. I have own this truck for 6 months now and always have the check engine light and dpf light both on. I have replaced the following
    Dpf filter
    Aftertreament harness
    Def doser
    Inlet Nox sensor
    Dpf pressure sensor
    Def filter
    But nothing has worked at all. Do you have any suggestions, what should I look for now?
     
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