2014 Freightliner Cascadia Evolution Idle Override

Discussion in 'Questions From New Drivers' started by soisauz, Jul 21, 2014.

  1. soisauz

    soisauz Bobtail Member

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    Jul 20, 2014
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    Hey all,

    I thought I had the engine idle override figured out. I set the cruise and then hit res/accel and it will idle all night.

    Tonight it's revving up to 1100 rpms and it's very loud. I have not noticed this before. Is it normal? Any other suggestions? Thanks
     
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  3. damutt

    damutt Road Train Member

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    might be doing a parked regen, usually takes 20-60 min
     
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  4. cabwrecker

    cabwrecker The clutch wrecker

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    Make sure you keep that DD up on it's higher RPM setting when it's idling. Otherwise you will see abnormal crankshaft bearing wear, which causes a lot of issues and costs a lot of money. Shouldn't be 1100, closer to 900 rpm. Also helps keep sulfuric acid buildup lower, according to the dd15 manual.
     
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  5. soisauz

    soisauz Bobtail Member

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    What does DD mean?
     
  6. TruckDuo

    TruckDuo Road Train Member

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    Sounds like your doing a Regen.

    Our 2014 will idle if the temp is above 70 degrees. The company programmed it that way. Have you spoken with your company about their idle policy ? Some won't let drivers idle at all.
     
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  7. TAfool

    TAfool Medium Load Member

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    The acc/res (Accelerate / Resume) controls idle bump up and dec/set (Decelerate /Set) controls the bump down. Tap the dec/set to lower the idle one notch at a time or hold it to drop all the way down.
     
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  8. jbee

    jbee Medium Load Member

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    Detroit Diesel
     
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  9. soisauz

    soisauz Bobtail Member

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    Thanks for your replies. I think it was doing a regen. My company has it set to idle down to 69°. It was 81 last night so it should have been fine.
     
  10. snowwy

    snowwy Road Train Member

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    guess it's a good thing the temp sensor don't work right.

    but, how about idling when it's cold????? and the temp says 50 degrees. but it's really 20 outside.
     
  11. PackRatTDI

    PackRatTDI Licensed to Ill

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    The Volvo engines will run a "regen" cycle when idling in cold weather. Never does it when warm though.
     
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