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Aftertreatment problems got me down again/SPN 4364 FMI 31 code

Discussion in 'Ask An Owner Operator' started by RunningAces, Jan 12, 2022.

Page 4 of 4
  1. Sep 7, 2022 #32
    HolidayCoachGuy

    HolidayCoachGuy Bobtail Member

    1
    1
    Sep 7, 2022
    0
    According to my volvo tech (I know. Different vehicle), if you're seeing smoke out of an exhaust, something is wrong with the system. Even possibly a cracked DPF. Or a loose clamp.
     
    HolidayCoachGuy, Sep 7, 2022
    HolidayCoachGuy, Sep 7, 2022
    #32
    Keepforgettingmypassword Thanks this.
  2. Oct 10, 2023 #33
    Harpreet74

    Harpreet74 Bobtail Member

    2
    0
    Oct 10, 2023
    0
    Is everything running good so far after replacing doser and pump.
     
    Harpreet74, Oct 10, 2023
    Harpreet74, Oct 10, 2023
    #33
  3. Oct 10, 2023 #33
    Harpreet74

    Harpreet74 Bobtail Member

    2
    0
    Oct 10, 2023
    0
    Is everything running good after changing doser and pump?
     
    Harpreet74, Oct 10, 2023
    Harpreet74, Oct 10, 2023
    #33
  4. Oct 10, 2023 #34
    RunningAces

    RunningAces Road Train Member

    1,298
    2,577
    Jul 2, 2017
    0
    I ended up going to get my filter replaced and had the guy replace pretty much all the sensors while he was at it. I wish I had done that from the beginning because it has ran well since. If I ever get a new used truck the first thing I'm going to do is take it to my new mechanic and have him change and replace them to save on headaches and money on the road.
     
    RunningAces, Oct 10, 2023
    RunningAces, Oct 10, 2023
    #34
    JonJon78 and Siinman Thank this.
  6. Oct 10, 2023 #35
    Espressolane

    Espressolane Road Train Member

    17,941
    110,839
    Nov 21, 2009
    Just south of the north 40
    0
    While it seems no one follows the required maintenance schedule. According to Cummins, the DPF and SCR (if installed) are supposed to be serviced every 150,000 miles. Basically cleaning the system.
     
    Espressolane, Oct 10, 2023
    Espressolane, Oct 10, 2023
    #35
    RunningAces Thanks this.
  7. Oct 10, 2023 #36
    RunningAces

    RunningAces Road Train Member

    1,298
    2,577
    Jul 2, 2017
    0
    When I had mine done inflation hadn't doubled the price on many parts and labor yet so I just had him replace it. It was maybe $150ish more but I don't remember the exact numbers to just buy a new one instead of having it cleaned.
     
    RunningAces, Oct 10, 2023
    RunningAces, Oct 10, 2023
    #36
  8. Oct 10, 2023 #37
    Siinman

    Siinman Road Train Member

    5,436
    13,856
    Mar 5, 2017
    Kansas City, MO.
    0
    Great advice as I had the same experience. If ever getting used all will be replaced right away. Once one goes out they all tend to fail within 6 months.
     
    Siinman, Oct 10, 2023
    Siinman, Oct 10, 2023
    #37
    RunningAces Thanks this.
  9. Oct 11, 2023 #38
    JonJon78

    JonJon78 Road Train Member

    7,191
    41,572
    Jul 1, 2018
    0
    Just had mine cleaned for the first time at 420k miles, wish I would have done it sooner but, too late now...

    I'm not in the truck but almost 100% positive they recommend 500k in my manual...

    Not that I ever go with anything they recommend but for some reason I waited longer than I should have...

    Anyhow on my OTR reset tool ( with app ) it showed my filter was at 77% full when I had it cleaned two weeks ago...

    My mechanic said that you should never let the percentage get above 50% as it becomes harder if not impossible to get all the BS completely cleaned out then...

    It's cleaned now, running great...

    Mechanic also recommended that he would only let it go another 150k before buying a new filter...

    My truck has APU so never idle....
     
    JonJon78, Oct 11, 2023
    JonJon78, Oct 11, 2023
    #38
    Siinman Thanks this.
  10. Oct 11, 2023 #39
    '88K100

    '88K100 Road Train Member

    1,353
    3,017
    Aug 23, 2020
    0
    My company truck just got the “Aftertreatment Problem”. De rated so its off to the shop. First time this happened and at 760,000 Km but likely this will be the first maintenance of any sort on the emissions system
     
    '88K100, Oct 11, 2023
    '88K100, Oct 11, 2023
    #39
  11. Oct 11, 2023 #40
    RunningAces

    RunningAces Road Train Member

    1,298
    2,577
    Jul 2, 2017
    0
    Hopefully that means the manufacturers have really figured out the best way to do the aftertreatment garbage.
     
    RunningAces, Oct 11, 2023
    RunningAces, Oct 11, 2023
    #40
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