How do I turn off my idle shutdown

Discussion in 'Freightliner Forum' started by dog-c, Mar 24, 2015.

  1. dog-c

    dog-c Road Train Member

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    Any 2014 cascadia drivers know how to turn this feature off?
    Lost sleep again last nite, if I go into a freight liner dealer are they going to give me crap ? Ty in advance.
     
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  3. Pmracing

    Pmracing Road Train Member

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    Do you have Opti-idle?

    Are you the truck owner, lease or a company driver?

    Mikeeee
     
  4. Grumppy

    Grumppy Trucker Forum STAFF Staff Member

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    I'm not sure if this will help you but here is my experience.

    I have a 2015 Cascadia that we lease from Ryder. The day I picked it up it was hot (June) & I was attempting to idle the truck & I couldn't get it to idle for more that maybe 4 or 5 minutes while trying to move stuff from the old truck to the new one. I went inside & asked them to come show me how to get this new truck to idle. I explained that we didn't have an APU so, I need to be able to idle all night.

    They said I had to turn the key on & let it cycle through its pre-start checks etc, then start it, then use the cruise control to idle it up (900 rpm max) & it will idle. Neither of us could get it to idle for more than a few minutes. After much checking & trouble shooting.... & after specifically saying they could not disable the idle limiter per Ryder rules.... they disabled it.

    Now, mine idles all I need it to, idled up or not.....

    So, will they? I don't know.
    Is it a Frieghtliner warranty issue? I don't know
    Is it a Ryder issue? I don't know.

    I have heard (here at TTR I think) that you're not supposed to low idle these new engines at 500 - 600 rpms. IIRC, you're supposed to idle up these engines at like 800 - 900 rpm if your gonna idle for any length of time.

    Its not a direct answer but I hope this will add something to other answers you get.
     
    RERM Thanks this.
  5. Pmracing

    Pmracing Road Train Member

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    I have read here that the idle needs to be higher to keep the cylinders hot enough to keep the piston/ring clearances tight to reduce fuel blow-by into the oil and all resulting subsequent damages.

    Mikeeee
     
  6. uncleal13

    uncleal13 Road Train Member

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    You need Detroit Diesel Diagnostic Link 8.0 to change the parameters in the ECM, which may be password protected by the company or Ryder.
    I have my own copy, cost $500 from Detroit plus another $700 for the adaptor, but I own my own truck.
     
  7. ZhenyaP1991

    ZhenyaP1991 Medium Load Member

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    Take your fifth wheel puller, jam it between clutch and steering, clutch will be engaged and it won't shut off. Little redneckish but do you want to have a good night of sleep?
     
    serozhah, dog-c and paul_4lp Thank this.
  8. Grumppy

    Grumppy Trucker Forum STAFF Staff Member

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    On this 2015 Frieghtliner, you can do that but you cant exceed 900 rpms. If you do, after about 30 seconds or so (IIRC), the "check engine" light will come on & start flashing etc, etc. I am not sure it it will shut down etc, cause I got out of the high idle when I did that & the "check engine" light started blinking.

    Having said taht, I've never been able to set the RPMs at a specific range with a stick from the petal to the seat or steering wheel etc. I usually just had to settle for whatever it gave me, as close as I could get it. Usually trying to get a steady 300 rpm difference from a sitting idle of 600 but no more than 900 is hard to set that way..

    I'm not disagreeing with the idea, just saying I never had any luck with that method on this truck.

    Hope this helps :)
     
  9. mhyn

    mhyn Road Train Member

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    your copy of diagnosticlink 8 is standard version. you can not change parameters. the professional or engineering versions only can change parameters.
     
  10. racemaxx24

    racemaxx24 Heavy Load Member

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    Not sure if the bigger trucks are different, however like others have suggested I can override the 5 minute idle limit on my Freightliner M2 by idling it up with the cruise control.
     
  11. damutt

    damutt Road Train Member

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    *sarcastic comment* work for a better company that donest have ilde restrictions on the truck. but agreed with the rest of the group, idle it up to 7-900 RPM via cruise switch
     
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