Refill DEF torque derate 25%

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by silverspur, Aug 16, 2021.

  1. silverspur

    silverspur Road Train Member

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    2019 International LT 235407 miles, DEF fluid was leaking and dash lit up, shop fixed it, filled DEF but I drove 5 miles and dash lights up, DEF is full and no leaks.
    Could it be a sensor?
    Display also says SCR error
    20210816_104930.jpg
     
    Last edited: Aug 16, 2021
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  3. tarmadilo

    tarmadilo Road Train Member

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    I drive a 2019 LT and our mechanic told me that the DEF tank head (that holds the pump and the sensors) on them tends to go bad after 200k miles (which is when mine did!).
     
    silverspur Thanks this.
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