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Cummins X15 "coughing" intermittently.

Discussion in 'Ask An Owner Operator' started by Mandeepsingh, Dec 14, 2021.

Page 2 of 2
  1. Dec 15, 2021 #11
    Dave_in_AZ

    Dave_in_AZ Road Train Member

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    Usually a "cough" in an ISX, especially a 2250, is the turbo actuator not open enough.

    It happens.

    If it starts "coughing" get to a shop if you're able.
     
    Dave_in_AZ, Dec 15, 2021
    Dave_in_AZ, Dec 15, 2021
    #11
    RockinChair Thanks this.
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  3. Dec 15, 2021 #11
    Mandeepsingh

    Mandeepsingh Light Load Member

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    Idk, i have a water fuel separate filter on there and the thing thats wierd is that it only does it when like the truck has been shutdown for 10 hrs and its cold. Any shop i spoke with they say if its something serious or whatever, it has to be consistent.
     
    Mandeepsingh, Dec 15, 2021
    Mandeepsingh, Dec 15, 2021
    #11
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  5. Dec 15, 2021 #12
    Mandeepsingh

    Mandeepsingh Light Load Member

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    Wouldn’t loosing power be one of the main reasons for a turbo actuator to go out? It wont just cough once in the morning if that went out right?
     
    Mandeepsingh, Dec 15, 2021
    Mandeepsingh, Dec 15, 2021
    #12
  6. Dec 15, 2021 #13
    Dave_in_AZ

    Dave_in_AZ Road Train Member

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    It's in the wrong position for engine speed/demand.

    You'll hear it when you're doing a rolling regen and the rpm gets too low, and it will buck from power loss.

    Could be several things. Usually sensor.

    One cough here or there doesn't mean pneumonia.

    I loved my ISX. Kid I sold it too still has it chugging along.
     
    Dave_in_AZ, Dec 15, 2021
    Dave_in_AZ, Dec 15, 2021
    #13
  7. Dec 18, 2021 #14
    Midwest Trucker

    Midwest Trucker Road Train Member

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    Run the piss outta it for 24 hrs. Should be fine.
     
    Midwest Trucker, Dec 18, 2021
    Midwest Trucker, Dec 18, 2021
    #14
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