Kenworth t660

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Myers.joshawa, Aug 3, 2023.

  1. Aug 3, 2023 #1
    Myers.joshawa

    Myers.joshawa Bobtail Member

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    Aug 3, 2023
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    I just started a job Tuesday, my first truck is derated and has a hole in the hydraulic tank. Assuming that those 2 issues aren't somehow related, how do I reset the derate? Manually, without electronics if able. Any help would be great. These trucks are not like the 7 tons and humvees I'm used too!
     
    Last edited: Aug 3, 2023
    Myers.joshawa, Aug 3, 2023
    Myers.joshawa, Aug 3, 2023
    #1
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  3. Aug 3, 2023 #2
    AModelCat

    AModelCat Road Train Member

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    If its got active faults you have to fix those first to clear a derate.

    Welcome to 2023 and garbage electronic #### on everything.
     
    AModelCat, Aug 3, 2023
    AModelCat, Aug 3, 2023
    #2
    Myers.joshawa, RubyEagle and Oxbow Thank this.
  4. Aug 3, 2023 #3
    North Pole Nightmare

    North Pole Nightmare Road Train Member

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    Are the electronics on the dash working?
    You can scroll through and look for faults.You might be able to start a regen with the dash controls,if not a mechanic will have to do it with a computer.
    I drove for Halliburton,they had a lot of beat up Kenworths on the frac crews.
    On crew moves we would still drive them if they were showing derates,for short distances.Sometimes the codes would clear in a mile or 2.If you have a hydraulic system the truck probably idles a lot running the pto,really hard on the emissions.Best bet is get a mechanic to force a regen with a computer.
     
    North Pole Nightmare, Aug 3, 2023
    North Pole Nightmare, Aug 3, 2023
    #3
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