Exhaust leak=derate

Discussion in 'Trucks [ Eighteen Wheelers ]' started by mitmaks, Dec 22, 2019.

  1. mitmaks

    mitmaks Road Train Member

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    Changed exhaust pressure sensor and had shop reset CEL. They said computer trying to do too many regens thinking my dpf is full. I had cummins do DPF cleaning past summer. Shop said they should've baked it then blow it out. Maybe that's why ecm thinks dpf is full cause they didn't bake it
     
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