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Thread: DOD Delete

  1. #1
    Tuner in Training Nato1's Avatar
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    DOD Delete

    Attached is a file of my current tune. Work I have done to the truck includes non DOD cam, non DOD lifters and all associated gaskets and o rings. The problem is even after I have disabled the DOD and did no report on the cylinder codes including unchecking the ses box's it still runs on 4 cylinders. It sounds like for a split second when it first starts it is running on all 8 but almost instantly switches to 4. Any ideas what I am missing?mckenzies 2008 gmc.hpt

  2. #2
    Advanced Tuner IARLLC's Avatar
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    Aug 2016
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    You will get a lot more help over in GEN4 GM.

    Have you read the codes though? Maybe P3400 needs to be turned off as well.

  3. #3
    Tuner in Training Nato1's Avatar
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    Thank you sir!

  4. #4
    Tuner in Training Nato1's Avatar
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    I was just looking at the tune and realized it was an old tune I have disabled p3400 to no avail.