Fitech backfires at idle
WebDec 12, 2024 · Ignition timing is even more important with EFI due to the precision that EFI offers for fuel control. – Ken Farrell, FiTech. FiTech EFI systems attempt to be as accommodating as possible for low-vacuum engines. We do have engines running with as little as five-inches of vacuum at idle, although some additional adjusting of the software … Webtemperature turn ON Idle Set Mode. This locks the ECU in idle. On the handheld go back to the Main Menu and enter into Dashboard. Find IAC Steps. This number needs to be within 3 -10 at warm idle. If the number reads zero then slowly turn the screw OUT (counter clockwise) until the IAC Steps reads between 3-10.
Fitech backfires at idle
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WebJun 16, 2016 · Jerry, here's 4 settings that will help you get it right or at least better. In EFI pro tuning - go to Idle Control > Loop Rate Up / Loop Rate Down and Decel RPM Decay / Decel IAC Decay. Loop Rate UP =. The IAC uses a PID (actually just PI) closed loop control that adjusts the steps to achieve the desired idle speed. Web1 day ago · Fitech is batch fire not sequential. By moving fuel injectors down to the end castings helps with cold start, idle, and acceleration. ... (would kill the ignition randomly when just cruising. engine would sometimes kick back on with a huge backfire and fitech would go haywire! removed the safeguard and all is good). ... I had alot of issues ...
WebJul 25, 2024 · Then set idle O2 a bit rich, maybe 13.5:1. Then manually adjust the throttle blades so the IAC count is about 2-8. Save settings. I think the FiTech/engine needs to be turned off and re-started between adjustments/setting changes to re-calibrate the TPS position and maybe update other software changes? WebFeb 20, 2024 · Low fuel pressure in the fuel system will cause an off-balance air/fuel mixture and that, in turn, causes weak combustion. This can be felt as misfires on acceleration or even at idle. Fortunately, the fuel system in a car requires only minor tweaks. Sometimes the problem is minor, and at times, it can be huge. 7. Low Performance
WebSep 22, 2024 · DISCLAIMER: These videos show my way of doing things. Don't necessarily follow my advice, I could be wrong. You are responsible for your actions. Not me. ...
WebApr 26, 2024 · The backfire didn't come from the fitech trying to fire though, but it was loud and scared me shitless. I forget the name of the setting at the moment, but its in the instructions. ... You want your idle timing 2-3 degrees above the base because the ecu will vary the timing to smooth the idle. The VR advance at 4k is odd. It was at 17 degrees ...
WebSep 19, 2024 · The cam is a solid roller from Comp Cams with 270/280 degrees of duration at 0.050-inch lift and 0.640/0.621 total valve lift. The pistons are custom slugs from JE. See all 13 photos. The Hemi ... professor ian goodwin-smithWebJun 9, 2024 · Zero cold or hot start issues, no backfires or miss, accelerates and decelerates perfect up and down through the gears. Problem, when at idle temps creep … remember now thou creatorWebMar 20, 2024 · When I hit the throttle harder the AFR jumps to 20 then back to 12 with a lot of backfiring. I adjusted the fast accel in increments of 10 both ways to the max, and … FiTech EFI Tuning Forum. New to FiTechAnswers to help you understand … FiTech EFI Tuning Forum. New to FiTechAnswers to help you understand … FiTech EFI Tuning Forum. Menu. Forum Navigation. Forum Members Activity … remember now thy creator bible verseWebJan 23, 2024 · Hook up the FiTech Tach signal wire to the coil neg. This is the most stealth install on the Early Bronco with Duraspark and the easiest since everything is mostly installed. The FiTech 600HP version WITH Timing Control being used. MSD 2-Wire Mechanical Advance Distributor (MSD 8582 for 302) - Connect Directly to FiTech with … remember now thy creator sermonsWebtemperature turn ON Idle Set Mode. This locks the ECU in idle. On the handheld go back to the Main Menu and enter into Dashboard. Find IAC Steps. This number needs to be … remember nounWebOct 13, 2016 · FiTech GoEFI4 600 RobbMC PowerSurge 500 ... But both spraying carb cleaner and an hitting it with propane didn't change the idle at all around the TB or intake. ... And would explain the popping and backfire I got as well. But it's not coming off again.. a hose clamp fixed that issue. 1968 Skylark Convertible 383 Stroker, Turbo 350, 3.73 Posi professor ian goodyearWebJan 27, 2024 · Fixing the popping under deceleration! A while ago I installed the fitech go street EFI on my 1975 Ford bronco and I have loved it. But one of the annoying t... remember now thy creator niv