RPM increases during idle

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by TheBigCat, Dec 10, 2017.

  1. Diesel Dave

    Diesel Dave Last Few of the OUTLAWS

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    Pretty harsh for just joining and being your first post on a 1 1/2 year old thread....... “you must be new”............ :rolleyes:
     
    Oxbow, 86scotty, Roberts450 and 5 others Thank this.
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  3. skellr

    skellr Road Train Member

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    yep, Idle now, get towed later.

    The Regen system can't clean out the soot from idling, Not getting hot enough to do the job. When you are out on the road and it does get hot enough it's too late because it's too plugged up to work right.
     
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  4. D.Tibbitt

    D.Tibbitt Road Train Member

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    My cascadia got some 16k engine hours on it and 420k miles on it and still going good
     
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  5. FlaSwampRat

    FlaSwampRat Road Train Member

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    I laughed at that too. Thought well.....that escalated quickly! Made me chuckle and think of this picture I remembered seeing years ago lol.
     
  6. KillingTime

    KillingTime Road Train Member

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    When you're right, you're right.

    Since guy's got it all figured out but can't read.... No fun jabbing the illiterate. They don't know whether to give you a high five and GRIN or be insulted and block you.

    I'll show myself to the door, thank you.
     
    stwik and Diesel Dave Thank this.
  7. Diesel Dave

    Diesel Dave Last Few of the OUTLAWS

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    Your a seasoned Veteran...... your good.
     
    stwik Thanks this.
  8. Freshboy4

    Freshboy4 Bobtail Member

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    Isn’t that obvious
     
  9. DaysGabe

    DaysGabe Bobtail Member

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    found this thread after doing a Google search for similar rev during idle. when auto regen happens, is there an indicator light?
     
  10. quintelatransportation

    quintelatransportation Bobtail Member

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    Jun 6, 2023
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    Correct however trucks have an option to high rpm idle. In my truck to do that i have to turn on cruise control on neutral and add the rpm manually. That should take care of that issue. However it does cost you more money in diesel expense. BUT still better than hurting the engine.
     
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