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Thread: LS7 MAF hi and lo

  1. #1
    Tuner in Training
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    LS7 MAF hi and lo

    When we raise the #'s in the MAF hi and lo charts, do they in the end, correspond to raising richness? I realize that they don't directly affect AFR but just wanted to know.

  2. #2
    Tuner Street Legal's Avatar
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    Quote Originally Posted by ho52806 View Post
    When we raise the #'s in the MAF hi and lo charts, do they in the end, correspond to raising richness? I realize that they don't directly affect AFR but just wanted to know.
    yes it controls the fuel and raising the #'s will richen the motor,but the LTFT,STFT come in to control fueling in closed loop.

  3. #3
    Senior Tuner
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    Before you start blindly changing the MAF transfer (hopefully you're not doing that), please make sure you're basing doing this on logs of fuel trims and/or wideband data.
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