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Thread: 2019 Ford Mustang EcoBoost Throttle Closing

  1. #1
    Potential Tuner
    Join Date
    Jul 2016
    Posts
    5

    2019 Ford Mustang EcoBoost Throttle Closing

    anyone have an idea on how i can get the throttle to open constantly at WOT? stock tune log is better than the tune we did but it was still closing. any suggestions or ideas would be appreciated. thank you
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  2. #2
    Tuner in Training
    Join Date
    Oct 2017
    Posts
    39
    there is throttle limit and put limits,you have to make sure you are not hitting any limits and requested is bit over actual,it needs some work you have to keep reading,also adjust torque to load and load to torque maps.

  3. #3
    Tuner
    Join Date
    Feb 2018
    Location
    Kuwait
    Posts
    98
    Can you post tune file, stock tune and the logging file so we know what cause the throttle closing?

  4. #4
    Advanced Tuner
    Join Date
    Sep 2006
    Location
    Arizona
    Posts
    600
    Sorry for chiming in late here.

    Looks like you are hitting a little higher than what is regarded as safe for boost, but your primary reason for throttle closure is that you are exceeding the CAT Overtemp limits you have set in the tune. You can raise those limits to see what your next obstacle will be, because you appear to also be hitting the FMEM limit right after that too.

    Based on that short pull I see boost in the 26+ psi range. You probably would also want to reduce the Driver Demand torque a little bit too to play it safe.