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  1. Evo X Tuning
    So... My car is pretty much running great, pulling hard, not having issues with knock, and open loop wot afr's are consistently great. Today something pretty weird happened though. I turned on my car, and instead of just driving, I paired my phone to the bluetooth, and texted/derped for like...
  2. ECUFlash / OpenECU
    Does anyone know what exactly "Fuel Trim in Use" is? My guess is that it's the current LTFT being used - either CruiseLTFT or IdleLTFT. Is this accurate? Moreover, if that is the case, when scaling MAFs, would it be more accurate to use STFT+Fuel Trim In Use rather than STFT+CruiseLTFT? Discuss.
  3. Evo X Tuning
    Looking for some thoughts on my persistently negative fuel trims (-12 idle, -7 cruise). I did the intake, UICP and FMIC installs myself and had the TBE done at Mitsu dealer. Any ideas on why it keeps creeping so negative? My first thought is an air leak somewhere in the intake system after the...
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