Fitech stumbles on acceleration

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August undefined, 2024

WebApr 25, 2024 · FITECH SETUP USED: GO EFI-4, 600hp Power Adder (no timing control yet / controlling electric fan) FUEL SYSTEM: 255 Walboro in-line pump Sump on 70' tank … WebWOT 1100, 3000, 6000 are your acceleration enrichment settings and are used for adjusting the desired fueling for accelerating under either part throttle or WOT. The average for these settings only ranges from 12.4 to 12.7, any accelerator needs beyond that will require one of our technicians to go over with you.

Stumble on fast acceleration - Fitech EFi Tuning Forum

WebApr 13, 2016 · After all, the fuel is being shot into the throttle body, and the O2 sensor is all the way past the header. I would guess it's a lean stumble, and increasing the accel shot and improving the reaction time will help. That's exactly what I did, and the stumble I had is all but gone. Jerry:beers: "Jet Noise..... The sound of Freedom" WHT/73 Registered WebSep 26, 2024 · Fitech tech team has suggested several things and no change. We added a MSD 6Al. After many hours of tunning the car starts and runs great, warms up and idle … crypto trading telegram channels

Fitech 400hp idle stumble - YouTube

WebSep 2, 2024 · Your car’s engine needs a precise mixture of air and fuel to run properly. Hesitation can result from an engine that’s running lean (not enough fuel). Some of the most common causes of fuel delivery issues include: Bad fuel injectors; A weak fuel pump; An obstructed fuel filter; A faulty fuel pressure regulator; Sensor Problems WebWOT 1100, 3000, 6000 are your acceleration enrichment settings and are used for adjusting the desired fueling for accelerating under either part throttle or WOT. The … WebMar 8, 2024 · Well, enough about me. I built my truck over 8 years period, and now it's time to finally tune my Fitech. 1. Get rid of the rich spot I get (mostly comes after a momentary lean spot) 2. Get rid of the lean spot at idle (while deaccelerating) I'm attaching a few screen captures of a log from a drive I did yesterday. crypto trading tax guide

How To Fix Off-Idle Stumble - Car Craft Magazine - MotorTrend

WebMar 10, 2024 · FiTech offers them with 36-, 55-, 62-, and 80-lb/hr ratings. ... The cruise AFR only affects cruise, so it will not affect acceleration or other AFR settings. WOT are enrichment settings used for adjusting the desired fueling for accelerating under either part throttle or WOT. The average for these settings ranges from 12.4 to 12.7 (an A/F of ... WebMar 29, 2024 · The most common causes for backfiring during acceleration include an incorrect fuel-to-air ratio, a faulty ignition and bad wiring. Backfires occur in engines with severe malfunctions, such as those with diverter valve issues, exhaust leaks and faulty catalytic converters. crypto trading templateWebOct 21, 2024 · The FiTech does squirt fuel in the throttle body when the key is turned to "RUN" to prime the engine Coil has power in both "RUN" and in "START" FiTech is wired to coil (+) terminal, so it also has power in both "RUN" and "START" Engine turns during cranking. It sputters a little but never catches. crypto trading technical analysis

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Fitech stumbles on acceleration

How to Diagnose Engine Backfires - AxleAddict

WebEngine backfires can be produced by: a vacuum leak. bad timing. problems in the ignition system. lean or rich air/fuel mixture. a faulty sensor. an exhaust leak. or some other system fault. Sometimes, locating the source won't take you much time, other times it … WebJun 21, 2016 · I installed the system on my 68 with a 331 stroker and have been having nothing but problems. It never ran right from the get go, it stumbled on acceleration because it was going way rich. While trying to solve the problem, the handheld died, the screen went white and stayed there. FiTech sent me a new one, this next one had a …

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WebFeb 15, 2024 · The stumbles I feel are confirmed in the log files as a very lean spike on acceleration followed immediately by a very rich condition. I installed a pressure gauge at the inlet, behind the filters and fuel pressure is at 55 psi, increases to 60 psi during fast … WebSep 2, 2024 · Engine hesitation happens when your car lacks power, misfires, or stumbles when you press the gas pedal. The problem can make your vehicle nearly impossible to …

WebFeb 11, 2016 · 204. Loc. Eastern Washington. Feb 9, 2016. #1. I have an issue that has reared its ugly head with my FiTech system. The system starts and runs flawlessly for varying amounts of time and then will start to cut out. When this happens the controller display freezes with the RPM stuck at 59000+ and I have to reset the display to see real … WebHave you ever experienced bogging or hesitations when trying to accelerate with your FiTech EFI system? Today we’re going to show you how to adjust the accel pumps on FiTech’s Tech Tuesday! Check in …

WebFeb 23, 2024 · I've never tuned a FitTech but every EFI system has an enrichment table based on either throttle position or MAP change rate. On a Fitech it is called accel pump / fast accel. You have both accel and fast accel adjustment. Tackle accel first then go to fast accel. It is all about making a single change test make a change test. WebIntake manifolds are going to get wet with fuel while running. This wetness changes with temperature, engine vacuum, and air flow speeds. This wetness also m...

WebJul 17, 2024 · To all those who use the Fitech 600 system, I need your help. I have a slight stumble with a slight lean condition on acceleration on a smooth throttle input. The AFR at that time is about 15:1 16:1, and corrects itself quickly to 13:1 Also have noticed a exhaust pop and a leaner AFR on closed throttle decell, at around 17 to 18.

WebOct 9, 2016 · FITECH SETUP USED: 1200 Power Adder. -8AN Feed and Return. Dead-headed to the Fitech unit. Using an external Aeromotive boost reference fp regulator. Boost reference connected to the Aeromotive and capped at the FiTech unit per instructions from FiTech. ENGINE VACUUM: ~4 at idle and warm. crypto trading terminalWebSep 1, 2004 · The answer is amazingly simple. The first result of a long-duration camshaft with lots of overlap is drastically reduced idle vacuum. Instead of 16 to 18 inches of manifold vacuum at idle, many ... crystal ball jpegWebMar 11, 2016 · Damn good unit I have two fitech and they gave me some trouble. They are harder to get running and staying in tune ! Reply. Larry Reid says: January 15, 2024 at 12:14 am ... cj and it idles great not … crystal ball jpgWebJun 28, 2024 · MINUS the stumble. And now ANY time I nail the throttle from a roll, where it used to possibly stumble (undoubtedly due to the trans NOT downshifting and loading … crypto trading technical analysis courseWebJul 17, 2024 · The stumble is from the ACCEL settings. There should be several different temperatures. All of them eventually should be at the same setting. Adjust the highest … crystal ball jutsuWebMar 10, 2024 · FiTech’s Go Fuel Regulators allow fuel pressure to be adjusted from 30-70 psi. Tight Fit regulators will support up to 1,000 hp while the High Horsepower model will … crypto trading terminology pdfWebOct 7, 2024 · after acceleration and on deceleration from cruising or WOT, AFR goes way lean (16.0 -20) and almost dies. Seems to happen more dramatically under hard braking. … crystal ball juggling