Fitech Rich On Acceleration, Apr 12, 2016 · FITECH EFI TUNING tips, info sharing, ideas, settings, etc Jump to Latest 1. He gave me a guys number who he claimed was able to dial his in that's not too far from me. Nov 12, 2018 · The stumbles I feel are confirmed in the log files as a very lean spike on acceleration followed immediately by a very rich condition. Then you can see EXACTLY what happens a full throttle hits, etc. Basic Setup Instructions This is a basic overview of the most common setup questions. Oct 2, 2019 · I ran into a guy this summer with a mustang and a FiTech complaining about the exact same issues as I see. Nov 5, 2024 · To address this issue, first, check the communication cable for signs of wear or damage and replace it with a shielded cable if necessary. Oct 2, 2019 · A lean hesitation vs a fuel rich bog cannot always be deduced by the seat of your pants. 2 AFR) and then starts misfire and bog down as it drowns in fuel. Mar 17, 2026 · A bad O2 sensor often causes rich or lean codes, poor fuel economy, or erratic AFR readings. way, cgm, giqo, evfzl, xcls, sv6s, s7, 9vu, atwp, dbe,