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Problems With Peterbilt DPF System HELP PLEASE

Discussion in 'Trucks [ Eighteen Wheelers ]' started by boblynn, Nov 13, 2013.

  1. Nov 13, 2013 #1
    boblynn

    boblynn Bobtail Member

    29
    2
    Mar 6, 2008
    Knoxville,Tn
    0
    I have a 2008 Peterbilt, 389, C-15 Engine, We have has the burnout with Cat, replaced the injector tip, etc in the system. We are still have warning lights, Exhaust Gas Temp 2, Particulate Trap Soot faults coming up. Sensors have been looked at etc. Am I missing something that is causing it to trip the computer? Ran 850 miles no issues, Went to the motel overnight, started truck up in morning and all the warning light are coming on again??? Any information would be appreciated.
     
    boblynn, Nov 13, 2013
    boblynn, Nov 13, 2013
    #1
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  3. Nov 13, 2013 #2
    morehp

    morehp Medium Load Member

    699
    206
    Jun 18, 2012
    0
    Possibly ARD head is bad your best solution is to perform a delete, this engine in standard form could potentially send you broke.
     
    morehp, Nov 13, 2013
    morehp, Nov 13, 2013
    #2
  4. Nov 13, 2013 #3
    manasteel

    manasteel Light Load Member

    124
    32
    Sep 10, 2012
    0
    start with spark plug in the ard head, and the fuel filter for main and pilot fuel lines. the lines are on the right rear of the cyl head and run to the ard head. the temp 2 sensor is a two probe sensor and is a common failure also.
     
    manasteel, Nov 13, 2013
    manasteel, Nov 13, 2013
    #3
  5. Nov 13, 2013 #4
    boblynn

    boblynn Bobtail Member

    29
    2
    Mar 6, 2008
    Knoxville,Tn
    0
    Already replaced ARC head, Tube, etc
     
    boblynn, Nov 13, 2013
    boblynn, Nov 13, 2013
    #4
  7. Nov 14, 2013 #5
    duramaxnb

    duramaxnb Bobtail Member

    38
    1
    Feb 3, 2012
    Climax Saskatchewan
    0
    Try do a manual burn and go from there, it may have ran 850 miles but if it's not doing a passive burn while u drive it's just loading the filter. Do a parked regen and see if it actually does it
     
    duramaxnb, Nov 14, 2013
    duramaxnb, Nov 14, 2013
    #5
  8. Nov 14, 2013 #6
    Gear head

    Gear head Medium Load Member

    532
    91
    Apr 1, 2012
    Belair,md
    0
    Need to have wiggle test preformed with cat et. I have found the harness plug at ecm for the dpf sensors getting dirty and wires rubbed sending fause readings to ecm. I have six of these trucks in my fleet seen alot of weird stuff with these systems.
     
    Gear head, Nov 14, 2013
    Gear head, Nov 14, 2013
    #6
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