2015 Paccar MX13

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by BrokeTrucker.com, Jan 30, 2023.

  1. BrokeTrucker.com

    BrokeTrucker.com Bobtail Member

    Oct 29, 2022
    I recently purchased a MX13 with 180,000 miles on an out of frame major. My concern is that it doesn’t have a high idle setting. Is this something that can be programmed into the ECM or is there something else causing this problem? I live in a very cold climate so not idleing some nights will not be a choice. IE it’s -25F outside as I type this. Thanks in advance.
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  3. Goodysnap

    Goodysnap Road Train Member

    Jul 12, 2017
    Most likely parameters need changed. PTO enable to ramp RPM with cruise.
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