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Thread: 2007 GT500 No long term fuel trims please help.

  1. #1
    Tuner in Training
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    2007 GT500 No long term fuel trims please help.

    I cant get LTFTs to work. I think I have everything on and set correctly. Car is otherwise tuned perfectly on e85 at 18 psi of boost with a large monoblade and maf tube. Short terms don't correct more than 5 percent at all points. Here is my tune.

    Thanks
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    Last edited by genesmob; 09-27-2016 at 10:20 PM.

  2. #2
    Senior Tuner SultanHassanMasTuning's Avatar
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    increase TPS threshold
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  3. #3
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    Quote Originally Posted by SultanHassanMasTuning View Post
    increase TPS threshold
    Thanks but the TPS threshold (max position to enable LTFT) is set at 59 percent in this tune. I would think that would be fine because majority of driving is below this. I checked the stock tune and its set at 100 percent. Does it have to be set to 100 percent for the LTFTs to work?
    Last edited by genesmob; 09-28-2016 at 06:42 PM.

  4. #4
    Senior Tuner SultanHassanMasTuning's Avatar
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    stock tunes usually are around 55% from what i have see on fords
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