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Machines / Peterbilt / Peterbilt 579

Peterbilt 579 Repairs

1 repair case documented on this model.

  • Cummins ISX15 derate after regen — SPN 3251 FMI 0 recurring
    Peterbilt 579 · Cummins ISX15 · Codes: SPN 3251 FMI 0, SPN 3936 FMI 2 · Verified
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