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Thread: dpf delete = codes?

  1. #1
    Junior Member zackbennett's Avatar
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    Default dpf delete = codes?

    B2978 "(Left Front/Driver or generic) Door Ajar Circuit Low" C ($11) "Engine Control Module (ECM)"
    P2033 "Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 2" MPHC ($11) "Engine Control Module (ECM)"
    P2455 "Particulate Matter Trap Differential Pressure Sensor Circuit High" MPHC ($11) "Engine Control Module (ECM)"
    P0546 "Exhaust Gas Temperature Sensor Circuit High Bank 1 Sensor 1" MPHC ($11) "Engine Control Module (ECM)"

    I just deleted my dpf and set up my tuning with EFI live, but then my truck just threw these codes at me. Can I set them to No MIL? Are these codes going to throw me into limp mode if I set them no MIL???? Is there any reason why this is happening?
    2008 Silverado 2500HD LMM EXTCAB 4x4
    ..With a few things done to it

  2. #2
    Junior Member zackbennett's Avatar
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    Default

    Alright,

    I got into the calibrations and set those codes to no mil (except B2978, that was because I had a fuse out)

    I reloaded my modified stock tuning with the dpf delete and fired it up. No more CEL.
    Took the truck out for a test drive, and it runs like a champ. SO much better sound, better throttle response, and with my stock tune it actually smokes a little bit when I walk on it. And the DIC actually showed my fuel mileage start to increase after about 40km.
    2008 Silverado 2500HD LMM EXTCAB 4x4
    ..With a few things done to it

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