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Thread: High idle on 04.5

  1. #1

    High idle on 04.5

    When i enable high idle in hptuner program it doesn't seem to work. I have a 04.5 auto. Any tricks to making it work?
    2004.5 Cummins.
    Borgwarner 13009097047 s300sxe 63-73 compressor 63/80 super core turbine housing 80mm .83 A/R Twin Scroll Housing,
    50HP BMS/Exergy Injectors
    BD T4 manifold,
    BD CAI,
    5" turbo back exhaust,
    turbosmart ext wastegate,
    BD lift pump with 2 mic filter and h2o separator,
    banks intercooler, Banks intake horn,
    slightly built tranny.......

  2. #2
    Tuner
    Join Date
    Nov 2018
    Location
    Aberdeen Washington
    Posts
    56
    No issues with my 04.5. I have my increment rate set at 50 rpm, min rpm at 1100 and max at 1500. You have cruise turned on and you press "set" right? Works every time for me, then I can use accel/coast to raise/lower rpm. I always have my park brake set, not sure if that is a requirement but thats what I do.
    2004.5, built 48re, Fass lift pump, s364.5 with a s483 compounds, ARP studs, 103# valve springs, 110hp injectors, 669hp 1075ftlbs

  3. #3
    Ill give it another try. Maybe firgot to do the set.

  4. #4
    Banned
    Join Date
    Jan 2018
    Location
    Everywhere
    Posts
    1,772
    I can?t quite remember but I think parking brake had to be set on the automatics. An ecm wire gets grounded through the parking brake switch to enable it in addition to the software enable. With manual transmissions the wire doesn?t exist, an ecm pin has to have a wire installed and ran to ground in order to be able to use the manual high idle in addition to the software enable.

  5. #5
    Advanced Tuner
    Join Date
    Apr 2014
    Posts
    704
    You also can't be holding the brake pedal, or it won't activate.

  6. #6
    Quote Originally Posted by B00STJUNKY View Post
    You also can't be holding the brake pedal, or it won't activate.
    Yep. That's what i did wrong. Thanks guys. Works great.
    2004.5 Cummins.
    Borgwarner 13009097047 s300sxe 63-73 compressor 63/80 super core turbine housing 80mm .83 A/R Twin Scroll Housing,
    50HP BMS/Exergy Injectors
    BD T4 manifold,
    BD CAI,
    5" turbo back exhaust,
    turbosmart ext wastegate,
    BD lift pump with 2 mic filter and h2o separator,
    banks intercooler, Banks intake horn,
    slightly built tranny.......