Is 22% idiling in ddec report good or not?

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Alikurdy, May 11, 2024.

  1. Alikurdy

    Alikurdy Bobtail Member

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    Total miles ?
     
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  3. gentleroger

    gentleroger Road Train Member

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    680ish.
     
  4. Alikurdy

    Alikurdy Bobtail Member

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    I checked over 40 trucks for sale and never found a truck that was less than 20% Because when loading and unloading, do you turn off the truck in the summer??
     
  5. little cat 500

    little cat 500 Road Train Member

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    20 %is low buy what you like
     
  6. Alikurdy

    Alikurdy Bobtail Member

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  7. Magoo1968

    Magoo1968 Road Train Member

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    Something to consider is that idling % also includes traffic lights stopping in stop and go traffic sitting at a road entrance waiting for a gap in traffic etc etc ., I had drivers reward in ecm and was amazed I’d get some idling when I was strict about shutting truck off..
     
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  8. gentleroger

    gentleroger Road Train Member

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    Yes, I turn my truck off anytime the brakes are set and I'm not going to be moving in the next 30 seconds.

    The app provides heat, cooling, and electrical power while the truck is off. My new truck has parksmartand opti idle, so I expect my idle time will triple, but should still be below 10%.

    Now if we're talking about trucks with no apu/parksmart, then my thinking is different. But the higher the idle time, the more prevalent dpf issues.
     
  9. Sm0kie

    Sm0kie Bobtail Member

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    40% or more is considered less than optimal per Detroit. You also want to look at your average drive load. Above 30% is considered optimal.
     
  10. kemosabi49

    kemosabi49 Trucker Forum STAFF Staff Member

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    You inspected it? Did you get a Dyno run with blowby tests? Oil analysis? Full ECM dump and get a trusted mechanic to go over it with a critical eye?
    Yes all that costs $$, but so does an engine rebuild.
    And at that milage you should figure on $10-15K for emissions in the near future.
     
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