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Thread: Cam Overlap Idle tuning/torque source

  1. #1

    Cam Overlap Idle tuning/torque source

    Hello all, In the process of tuning in some Idle overlap, 11' mustang GT Blip the throttle, camshafts go to the desired position, a few seconds later torque source changes from Target N to Driver demand and the cams park at 0 degrees. Anybody ran into this? did some digging around and having trouble finding where/how to keep the ECU from changing the torque source around. Any help is greatly appreciated. Thanks!

  2. #2
    Advanced Tuner
    Join Date
    Dec 2005
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    Look at your idle control entry criteria. You're not meeting the criteria somewhere to stay in idle control mode. Could be anything such as load at idle, rpm error, pedal position, vehicle speed, combustion stability limits, etc.
    Jeff Chambers, Owner
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  3. #3
    Much thanks, Going to do some more digging around today.
    Quote Originally Posted by jchambers View Post
    Look at your idle control entry criteria. You're not meeting the criteria somewhere to stay in idle control mode. Could be anything such as load at idle, rpm error, pedal position, vehicle speed, combustion stability limits, etc.

  4. #4
    Advanced Tuner GapRider's Avatar
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    also, some info in this thread:
    http://www.hptuners.com/forum/showth...ight=ghost+cam

    I saw the same thing with Target N but if you start with the changes toyoguru posted in the above thread it should get you going.
    I think I changed mapped point 2 cam positions as well as 0 and 1 to avoid what you're talking about.
    Mine still goes to Target N and Torque control but the cams stay in overlap and keeps choppig. I haven't found a way to stop it from going to Target N so please share if you find out how to keep it in Idle Control.

    this is my best cam tune but again, still not what it needs to be
    Also a spreadsheet I use to keep track of changes:
    2019 C7 Stingray M7 - long tube headers, 6.30/6.22 226/238 cam, supporting stuff, DOD and VVT delete.
    Stock everything else

  5. #5
    Advanced Tuner
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    Check out the ghost cam thread, they have a few sample ghost cam tunes you can try