Truck not throttling/accelerating

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Allwaystruckingco, Jul 2, 2025.

  1. Allwaystruckingco

    Allwaystruckingco Bobtail Member

    1
    0
    Feb 4, 2025
    0
    Hey guys, im having an issue with my 2018 freightliner cascadia 125 automatic. when i put the truck in drive you can feel and hear the gears switching, however the truck isnt throttling and doesnt accelerate (obviously). I am wondering if its the throttle position sensor, or would it be something else? I had the same issue the other day but when i turned the truck off and turned it back on it put in drive and it accelerated. but now when i try and do it it doesnt seem to work anymore.. can anyone help?
     
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