LoneStar 2015 ISX15 spn 3251 fmi 0

Discussion in 'International Forum' started by shef777, Oct 30, 2023.

  1. shef777

    shef777 Bobtail Member

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    Jan 30, 2018
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    LoneStar 2015 ISX15 spn 3251 fmi 0 help!!
     
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  3. JB7

    JB7 Medium Load Member

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    Dec 13, 2022
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    upload_2023-10-31_9-45-52.png

    There is a pressure sensor on each end of the DPF. The ECM compares the 2 values. When the difference is too large the code sets. Too large meaning that the DPF is plugged or becoming too restricted, the flow out is much less than the flow in. Needs a regen and possibly the DPF removed for cleaning/replacement if there are not any leaks and the sensors are good.
     
  4. shef777

    shef777 Bobtail Member

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    Jan 30, 2018
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