WebJan 6, 2024 · In pro tuning, under AFR closed loop, i have the the loop speed set to over 40. This controls how fast the trim rate can react to changes Play around with the idle … WebAll Fitech EFI systems have learning procedures that the system uses to adjust the active fuel tables it is using for operation. Sometimes if there are outside problems such as bad misfires, exhaust leaks, or any other situation ... Idle AFR, which can range from 13.4 to 14.7 on average, depending on the engine. Adjusting this setting will help ...
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WebGetting up to cruising speed or getting ready to pass someone, you usually are looking for the performance to get up and go. We refer to any fast turn of the throttle as our ACCELERATION zone. ... RED @ 12.8 - RED FUEL CLOSED LOOP - The stated AFR value is what the AFR+ will actually target when the zone is active. G/B @ 13.2 (-2) - … WebDec 24, 2010 · unplugging the pcm is just to be positive that there is no "long term corrections" effecting the open loop fuel trims. then unplug your o2 sensors before starting the car up. this is how i tested my o2's when they were sticking lean and dumping fuel. 1994 Z28 A4. 10.87 @ 123.66 - 1.49 60 ft - +1600 DA. grokking the system interview pdf github
FiTech settings, Tweaks, Adjustments Vintage Mustang Forums
WebMay 9, 2016 · Before I did this, the AFR would swing from 11.5~15.5 and the RPM would surge, the IAC would chase it while the AFRs were cycling.. it was a little bit of a mess. Once I turned the learn rate down and played with the idle trim rates and loop rates, the IAC became far more stable and I was able to dial it in. Data logging is your friend. Just ... WebAug 16, 2016 · 901. Aug 7, 2016. #1. I played with making some adjustments to my Fitech system today. Overall I am happy with the way it is running right now but I think it can be better. I keep seeing that the IAC steps need to be set between 6 and 10 for it to run properly. After it is warmed up I can get the idle set at 850 and the IAC around 8 or 10. WebMay 22, 2024 · I installed a FiTech Go 4 600 on to my 470 - 5 speed car. It runs good, just need to provide the best tune as practical for the fuel map. I have the system managing the timing so, need to balance that out. … grokking the system design interview torrent