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Thread: Exhaust Brake Not Working 2007 6.7L

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    07-6.7dually David Hurley's Avatar

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    Exhaust Brake Not Working 2007 6.7L

    Ok so I have a 2007 6.7L with 226k on the odometer tuned with an H&M’s Mini Maxx and a full get EGR delete and my ECM cooked a few weeks ago.

    I had it replaced and ever since then my exhaust brake hasn’t worked my pressure sensor works fine and as far as I can tell.

    The VGT is working OK it doesn’t feel sluggish.

    Anyway I’m at a loss I’ve tried the return to stock and reinstall it at 12.5 volts the whole time twice and that did nothing.

    Any help would be great


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    JOKER! F350Cummins's Avatar

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    Re: Exhaust Brake Not Working 2007 6.7L

    Might need to calibrate it.

    Considering the ecm was replaced, or reprogrammed, it may not know all of the parameters of the VGT.

    Was the VGT and EB working before you lost the ECM?

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    #1 VENDOR cumminsdieselfreak's Avatar

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    Re: Exhaust Brake Not Working 2007 6.7L

    Quote Originally Posted by F350Cummins View Post
    Might need to calibrate it.

    Considering the ecm was replaced, or reprogrammed, it may not know all of the parameters of the VGT.

    Was the VGT and EB working before you lost the ECM?
    X2.

    Did a dealer or independent shop install the ECM?

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