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VOLVO D13 Soot Level not going down after parked regen

Discussion in 'Volvo Forum' started by Pawel-pl, Sep 16, 2021.

Page 1 of 4
  1. Sep 16, 2021 #1
    Pawel-pl

    Pawel-pl Light Load Member

    66
    29
    Jul 3, 2017
    0
    Hello,


    My truck is not lowering the soot level after the regen, it completes the regen as usual with the temps good but the soot level stays the same and it asks for more parked regeneration. In the past year, I got DPF, NOX sensors, temp sensors, and differential pressure sensors changed. I checked for leaks in the exhaust and nothing in there.

    Any advice on what could be the issue?


    Edit:
    I had the computer plugged in to check the temps and if any of the sensors is reading anything unusual but it showed nothing wrong, no codes also
     
    Pawel-pl, Sep 16, 2021
    Pawel-pl, Sep 16, 2021
    #1
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  3. Sep 17, 2021 #2
    Cattleman84

    Cattleman84 Road Train Member

    9,602
    67,008
    Nov 1, 2017
    The Sticks, Idaho
    0
    What operating conditions does this truck see? Long periods (3+ hours) of driving at highway speeds? Short hauls with lots of stop and go such as local P&D with lots of idling? Or maybe somewhere in between?
     
    Cattleman84, Sep 17, 2021
    Cattleman84, Sep 17, 2021
    #2
  4. Sep 17, 2021 #3
    Ross_Tech

    Ross_Tech Light Load Member

    133
    133
    Aug 31, 2021
    Michigan
    0
    What are your T1, T2, and T3 temps and DPF delta P during regen?
     
    Ross_Tech, Sep 17, 2021
    Ross_Tech, Sep 17, 2021
    #3
  5. Sep 17, 2021 #4
    Pawel-pl

    Pawel-pl Light Load Member

    66
    29
    Jul 3, 2017
    0
    Long Highway most of the time
     
    Pawel-pl, Sep 17, 2021
    Pawel-pl, Sep 17, 2021
    #4
  7. Sep 17, 2021 #5
    Pawel-pl

    Pawel-pl Light Load Member

    66
    29
    Jul 3, 2017
    0
    I remember the DPF inlet was around 950, outlet 900. Don't remember the others
     
    Pawel-pl, Sep 17, 2021
    Pawel-pl, Sep 17, 2021
    #5
  8. Sep 17, 2021 #6
    Ross_Tech

    Ross_Tech Light Load Member

    133
    133
    Aug 31, 2021
    Michigan
    0
    The dpf differential sensor tubes could be plugged, or there can be a fault in the wiring where the ECM is reading an incorrect value. Its possible too(likely), that an upstream issue has plugged the DPF with excessive soot and ash. Higher inlet than outlet temps can sometimes be an indicator of this. EGR cooler problems as well as injector cup problems are common on the D13's. What EPA/GHG/OBD year is the engine?
     
    Ross_Tech, Sep 17, 2021
    Ross_Tech, Sep 17, 2021
    #6
  9. Sep 17, 2021 #7
    Pawel-pl

    Pawel-pl Light Load Member

    66
    29
    Jul 3, 2017
    0
    Not sure what EPA/GHG/OBD is. It is 2015 d13
     
    Pawel-pl, Sep 17, 2021
    Pawel-pl, Sep 17, 2021
    #7
  10. Sep 17, 2021 #8
    John_IronClad

    John_IronClad Bobtail Member

    7
    0
    Jun 30, 2021
    0
    My 2020 Volvo won't even allowed me to do a Regen, I guess the company has it set like that but I don't know why they would do that. I feel the truck does it itself when am idle.
     
    John_IronClad, Sep 17, 2021
    John_IronClad, Sep 17, 2021
    #8
  11. Sep 17, 2021 #9
    John_IronClad

    John_IronClad Bobtail Member

    7
    0
    Jun 30, 2021
    0
    Also I have a vibration on my drive tireswhen I turn my engine brakes to max, any idea why ?
    My tires are fairly new. 2020 Volvo 219000 miles.
     
    John_IronClad, Sep 17, 2021
    John_IronClad, Sep 17, 2021
    #9
  12. Sep 17, 2021 #10
    Ross_Tech

    Ross_Tech Light Load Member

    133
    133
    Aug 31, 2021
    Michigan
    0
    The new strategy for Volvo is 100% driving/automatic regens.
     
    Ross_Tech, Sep 17, 2021
    Ross_Tech, Sep 17, 2021
    #10
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