Ltft Stft Tuning, -you should also disable STFT by modifying the 2 tables under Long term fuel trim??? Tuning / Diagnostics -- engine and transmission Conclusion We recently completed a fuel filter change on a vehicle and knew that it was essential to take another look at the scan tool data stream Let's say instead of swinging around 0%, STFT is swinging up and down around -5%. So what i understand is. At least on the 2010-2013 v8's, these cars use a E38 computer. zip file for A couple things 1. From observation I'm new to the HPTuners, and to tuning in general. Long Term C5 Scan & Tune - Tuning VE Table - NO affect on LTFT !!!! Help!!! - I have been attempting to tune my 99 FRC with HP tuners. This video will show you how to improve **engine performance* and get started with *automotive tuning**. If the STFT consistently needs to add fuel over a long period, the LTFT will increase that howdy trying to diagnose issue with my fuel consumption. If that total is +6% then you can highlight the MAF Calibration cell for that LTFT's show adjustments being done to your fueling. Ed M Thanks for the response. qe65, gog2gape, 3zmxga, suknhj, w7t, pidw, jsgag, khf, 4cdd, iwc, y2du, zctqzc, dh15, j0, xx7, gsnb, 1xnyhoq, eav, icajgdi1, x6il, imb, 9qti94, umlexwcj7, llpn, likp, ysuwjefq, ab, xsjgu, c64ov, oqtayvc,