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Thread: 2010 6.1 Procharged Challenger throttle not closing at high rpm

  1. #1

    2010 6.1 Procharged Challenger throttle not closing at high rpm

    Hey Guys, been chasing this on 2 separate cars. If you're at WOT above 5800 or so the throttle wont close. pedal position goes to zero but relative and commanded throttle only drops to 33% which is plenty to keep the car accelerating to the limiter! wall 219209 10 challenger ums 3 throttle still sticking.hptWall Throttle sticking no limiter active.hpl

  2. #2
    Advanced Tuner f.creek-ranch's Avatar
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    try disable pedal adaption.

  3. #3
    I have...no change.

  4. #4
    Advanced Tuner f.creek-ranch's Avatar
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    Try to reset all adaptives.

  5. #5
    Tuner in Training iCanuck's Avatar
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    Maybe modify the throttle body ramp rate.
    2007 300C 5.7L - Edelbrock Eforce (7psi), Comp Cam 268H,
    Mopar Ported Heads, 3.06 LSD Swap, 06 Coil Swap
    465hp @ 6200 rpm / 463 ft-lb @ 4700 rpm

  6. #6
    What throttle body is it. Any codes. I never adjust any of the tb tables for this tho it sounds interesting to use that route. I need to try that next time i get a boosted hemi in person.

    In any case i think your issue is going to be a charge pipe pushing the throttle body open

  7. #7
    Tuner in Training
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    I am also having that issue.
    My T-body is a 90mm BBK.
    I thought that same thing, the forced air overpowering the return spring/gear causing it to stay open.

  8. #8
    Senior Tuner SultanHassanMasTuning's Avatar
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    you will need to adjust your airflow tables for the throttle
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  9. #9
    Quote Originally Posted by SultanHassanMasTuning View Post
    you will need to adjust your airflow tables for the throttle
    The feed forward control or the airflow model?

  10. #10
    Tuner in Training
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    I?m struggling with the same problem and always get trouble codes throttle actuator, too much airflow dedected.
    300C AWD, 6.1 block, 392 stroker kit and now procharger kit
    300C, 5.7, AWD, 2005. now 6.1 Block, 428 Stroker Kit, Thitek Heads, Procharger D-1S, American Headers Longtube, Fox Catback, extra Oilcoolers, H&R thread chassis, Pedders Bushings, Pedders Sway Bar front, Speedlogix Front Strut Tower Brace+Matrix Brace Subframe Connectors, 245/40 20 Tires, Movit Breaks, 370x35 6 Pistons Front, 345x32 4 Pistons Rear