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Thread: 2018 Mustang Ecoboost Throttle Closing

  1. #1
    Advanced Tuner VodeAn's Avatar
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    2018 Mustang Ecoboost Throttle Closing

    Car came to me with a mail order cal, complaint was that the vehicle was slow, upon logging I noticed the throttle closes under WOT.

    I get these when logging.
    Throttle Angle Source: TQ Red. < Driver Demand
    Driver Demand Limit Source: Insufficient Fuel Flow



    Thanks
    Last edited by VodeAn; 09-25-2018 at 11:08 PM.

  2. #2
    Senior Tuner SultanHassanMasTuning's Avatar
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    how much boost is the car seeing
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  3. #3
    Advanced Tuner VodeAn's Avatar
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    The log shows about 23 psi

    I ended up figuring my issues out, I had to max out some of the exhaust protection parameters and play with the injector timing.
    I also lowered the max desired boost a couple psi. The car now feels and pulls 1000x better.

    But the throttle still closes for a new reason, the source and log is attached below.

    Throttle Angle Source: Torque Control
    Driver Demand Limit Source: Part Throttle
    Torque Airlimit Source: Part Pedal Comb Prot.

    Attachment 82351

    Anyone know which tables I need to work with for this one?

  4. #4
    Advanced Tuner
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    Quote Originally Posted by VodeAn View Post
    The log shows about 23 psi

    I ended up figuring my issues out, I had to max out some of the exhaust protection parameters and play with the injector timing.
    I also lowered the max desired boost a couple psi. The car now feels and pulls 1000x better.

    But the throttle still closes for a new reason, the source and log is attached below.

    Throttle Angle Source: Torque Control
    Driver Demand Limit Source: Part Throttle
    Torque Airlimit Source: Part Pedal Comb Prot.

    Attachment 82351

    Anyone know which tables I need to work with for this one?
    7150 part throttle max load