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    DPF problem

    2015 Duramax in C4500 chassis under a Champion handicap bus having increasingly frequent dpf clean cycles, now has gone into a reduced power mode. Could

    bmoeller 09-17-2023, 23:19 Go to last post
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    Shut down ???

    Glad you discovered the problem. The relay fix for the oil pressure switch is a good one. Kennedydiesel.com offered a kit a few years ago to do what you

    More Power 09-17-2023, 13:54 Go to last post

    Shut down ???

    Update and solution.
    It was a faulty OPS that caused the problem.
    I checked voltage on liftpump and it was between 2-3 VDC and the fuelfilter

    BorJansson 09-16-2023, 04:09 Go to last post
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    Lil Red - Duramax 6600/Allison 1000 & OBS/NBS Dash Conversion

    Yes, emissions compliance is a big part of it. So is the "big-n-tall" trend.

    Back in 2017 I drove a Ford Budget box truck that

    More Power 09-15-2023, 11:58 Go to last post