Cause of these fault codes ?

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Greggg, Aug 6, 2018.

  1. Greggg

    Greggg Light Load Member

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    Jun 30, 2018
    0
    Hello,

    I’m getting these fault codes:

    -fuel pump delivery pressure
    -after treatment particulate filter differential pressure
    -particulate trap active regen inhibitor due to inhibit switch
    -after treatment dosed
    -after treatment exhaust gas temp 3

    Basically my engine has what’s called “wet stacking” and unburnt fuel is getting in my oil and exhaust, which is why my engine/water temp is overheating and why my oil pressure is low ?

    Anybody could confirm/deny or add to this ? What would be the correct steps to take care of this issue ?
     
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  3. AModelCat

    AModelCat Road Train Member

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    Do you idle a lot? The only thing I typically see wet stacking occur on is diesel gensets. Typically happens when engine load is less than 10% for extended periods of time.

    Can you provide truck and engine info? Also fault code numbers if possible. It would greatly assist everyone in helping you.
     
  4. Greggg

    Greggg Light Load Member

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    35
    Jun 30, 2018
    0
    Thank you. It’s a 2008 international prostar with a Cummins ISX

    -fuel pump delivery pressure
    PID94 J1587FMI1 J1939FMI18 SPN94
    -after treatment particulate filter differential pressure
    SID324 J1587FMI0 J1939FMI16 SPN3251
    -particulate trap active regen inhibitor due to inhibit switch
    SID390 J1587FMI11 J1939FMI31 SPN3703
    -after treatment doser
    J1587FMI11 J1939FMI16 SPN3556
    -after treatment exhaust gas temp 3
    SID328 J1587FMI0 J1939FMI16 SPN3245
     
  5. Greggg

    Greggg Light Load Member

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    Jun 30, 2018
    0
    After resetting fault codes:

    Only this one comes on

    Engine Coolant temperature code 2646
     
  6. jgrayventech

    jgrayventech Bobtail Member

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    Aug 7, 2019
    0
    Dear Gregg,
    Is it possible we could speak offline before I post a reply? I have the solution to your issue, with data and several videos to support. Would like to get your thoughts before I post anything. Thank you.
     
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