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Thread: Help with Turbo Fueling

  1. #1
    Tuner in Training
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    May 2018
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    Florida
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    Help with Turbo Fueling

    Hey Guys - I have an 04 GTO with twin turbos. I have been tuning VE, and I cannot get my fueling to go to stoich when I let off of the gas completely. Park also runs super rich. I keep pulling fuel in the affected cells, but it doesn't seem like it's doing anything. Everything above even a slight touch of the throttle leans out fine, but I can't get no throttle to lean out...

    Main mods list:
    lq9 swap
    btr twin turbo stage 1 cam
    upp 58mm twin turbo kit
    96lb/hr bosche injectors

    I have a feeling it may be the injector settings? But I inputted the manufacturer recommended settings.

    3rd turbo ve.hpl
    turbo_setup_ 3rdVE.hpt

    In the log file you can see how rich it gets in the 30kpa cells, and I have since fixed the air fuel in the other cells, but the low kpa cells are staying rich!

    Thanks

  2. #2
    Tuner in Training
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    May 2018
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    Florida
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    I found my answer... IF anyone encounters this problem, go to "engine>fuel>transient>min fuel milligrams" and enter .002. Thanks!

  3. #3
    Senior Tuner kingtal0n's Avatar
    Join Date
    Feb 2017
    Location
    miami
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    Quote Originally Posted by orange15 View Post
    I found my answer... IF anyone encounters this problem, go to "engine>fuel>transient>min fuel milligrams" and enter .002. Thanks!
    I Wonder what happens if we set to 0

    maybe it will help dfco remove fuel. right now i am planning a switch for when tps < 0.05v and rpm > 1400 to kill the injector relay so I can get that .X mpg back