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Def problems headache 2014 kw mx13 paccar

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by HDiesel, Feb 23, 2021.

  1. Feb 23, 2021 #1
    HDiesel

    HDiesel Bobtail Member

    12
    11
    May 30, 2018
    0
    I'm having alot of trouble with a def system at the moment. Regen wont go past 600F. Dosing valve doesnt seem to be engaging. Only faults that show 3, with one going back and forth. 2 faults are the egr shutoff and protection. And the last one alternates between fuel shutoff valve- data erratic and then next time around it will be DOC undetected. Hoping y'all can shoot me some ideas.
     
    HDiesel, Feb 23, 2021
    HDiesel, Feb 23, 2021
    #1
    McMahons Trucking Thanks this.
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  3. Mar 9, 2021 #2
    mixingconcrete

    mixingconcrete Light Load Member

    99
    40
    Apr 14, 2019
    0
    Do you have the codes that it is throwing?
     
    mixingconcrete, Mar 9, 2021
    mixingconcrete, Mar 9, 2021
    #2
  4. Mar 26, 2021 #3
    HDiesel

    HDiesel Bobtail Member

    12
    11
    May 30, 2018
    0
    Sorry for the late reply, at the time it was p3834. Got it repaired since then
     
    HDiesel, Mar 26, 2021
    HDiesel, Mar 26, 2021
    #3
  5. Jul 15, 2021 #4
    Hakotrucking1905

    Hakotrucking1905 Bobtail Member

    18
    3
    Jul 1, 2021
    0
    what was issue
     
    Hakotrucking1905, Jul 15, 2021
    Hakotrucking1905, Jul 15, 2021
    #4
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