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Thread: dpf clean

  1. #1
    Jr. Mechanic drwdominance's Avatar
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    Default dpf clean

    I have an 07 diesel and today the dic gave me a message to clean the dpf. Can I do this myself or should GM do it? If I can do it myself what exactly am I looking for?
    07 Sierra Classic, 5.3L, 4X4, Crew Cab
    Volant CAI
    Leveling Kit
    305/55/20 LTZ
    Flowmaster muffler
    Diablo Predator



  2. #2

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    I think that just means you need to drive it around at hwy speeds for a little while and let it regen..... Have you tried looking it up in your manual though?
    Joseph


    Airforce Veteran (7 years)


    NRA Life Member

  3. #3

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    I'd get an exhaust and tuner and chop that bad boy out

    2006 Duramax LBZ
    Edge Evo
    4'' Diamond eye to 6'' tip
    16'' ion alloy, 33'' fierce attitudes
    Lots of work left to do!

  4. #4
    Jr. Mechanic drwdominance's Avatar
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    Default

    well now the engine light is on and the dic says reduced engine power. i can barely make it up a hill.

    any suggestions?

  5. #5

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    That seems a little more serious now. Sounds like time for the stealership to step in. Is the truck under warranty?

  6. #6
    Jr. Mechanic drwdominance's Avatar
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    Default

    Quote Originally Posted by ntbush83 View Post
    That seems a little more serious now. Sounds like time for the stealership to step in. Is the truck under warranty?
    negative. i'll take it in and keep you posted.

  7. #7

    Default

    I'm with Joeairforce, I thought the dpf was self cleaning. Also I've been told that you can't cut the dpf out, truck won't run after a few miles without it (reduced power). But I can't say for sure. Check the owners manual about servicing the dpf.

  8. #8

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    The system will regen on its own unless you stop the system from performing its clean up process by stopping the engine during a regen or the differential pressure sensor on the exhaust that measures exhaust back pressure fails
    ROADMECHANIC9

  9. #9
    Jr. Mechanic drwdominance's Avatar
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    Default

    well i took it in and the mechanic checked the 2 codes it had and only recommended changing the air filter. he reset the computer and figured i'd be good to go and have had no problems since.

  10. #10

    Default

    Well I'm glad to hear that! Strange solution but as long as it works thats good!

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