Idles but bogs when accelerating or carrying a load

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Bucman, Jan 8, 2024.

  1. Bucman

    Bucman Bobtail Member

    3
    0
    Dec 3, 2023
    0
    My 2012 Mack Granite Dump truck idles fine but when I put it in gear and start to shift if bogs down or when it is running and shifting good when I put a load on it looses power. Cleaned both fuel tanks put new filters and can't find problem any solutions please.
     
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  3. Mr Bob

    Mr Bob Light Load Member

    269
    84
    Mar 17, 2015
    0
    while running look in the tank for bubbles. you need to monitor fuel pressure. any codes?
     
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