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    More Power

    Duramax Head Gasket Replacement

    I don't think the code clearing was done while the engine was running. But, the P0700 (and SES lamp) does return a few seconds after clearing and then

    More Power Today, 11:43 Go to last post
    DmaxMaverick

    Duramax Head Gasket Replacement

    That is curious. If I'm understanding, you are clearing DTC's while running(?) and it reappears in the same session before changing any conditions (such

    DmaxMaverick Yesterday, 12:54 Go to last post
    More Power

    Duramax Head Gasket Replacement

    Thanks Greg. I had a local friend (and mechanics garage owner) attempt to pull the codes using his commercial Snap-On code reader. He couldn't get any

    More Power Yesterday, 10:34 Go to last post
    DmaxMaverick

    1986 Crew cab conversion

    The forum software sets adjustable attachment number, size, and storage maximum limits for each user group individual. You may have hit a limit, of some

    DmaxMaverick 05-15-2024, 15:32 Go to last post
    DmaxMaverick

    Duramax Head Gasket Replacement

    P0700 is only the TCM requesting the PCM to illuminate the SES lamp, which drops the P0700 in the PCM shell DTC. It is not a error or failure, in itself.

    DmaxMaverick 05-15-2024, 15:26 Go to last post