Fitech stumbles on acceleration
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. WebJul 31, 2024 · There are many problems that can occur due to a car backfiring while accelerating. They are: 1. Loss In Engine Power Every explosion in the combustion chamber results in generating power for rotating the engine shaft. However, if explosions do not appear in the combustion chamber, the engine loses its rotating ability. 2. Fuel Wastage
Fitech stumbles on acceleration
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WebMay 31, 2024 · With throttle body–-style EFI, if the engine idles decently but stumbles slightly off idle, try adjusting the idle and / or cruise air/-fuel ratio slightly richer. This can help overcome an off-idle stumble. This assumes that the ignition system has sufficient initial timing. An off-idle stumble can sometimes be cured with more initial timing. WebMar 23, 2024 · A faulty MAF sensor can cause all kinds of driveability issues: hesitation during acceleration. lack of power. misfires. surges. The most common problem withthe MAF sensor is dirt trapped inside the sensor, usually around the hot wire. Often, using a MAF sensor cleaner will help restore proper operation.
WebOct 16, 2024 · When adjusting the Accel Pump values make sure you are adjusting the FAST portion not the base Accel values. Those are for slow pedal acceleration which is … 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 …
Webjust a video for Fitech tech Mike, showing smooth idle, until throttle is added. WebNov 30, 2024 · I have a 66 Buick Skylark that I installed Fitech Go master kit with inline fuel pump. Using stock tank the only problem I had was the fuel slosh on heavy acceleration. Other than that the system worked great. I bought Holly's efi Fuel tank kit with pump in the tank to solve the fuel slosh problem. installed by instructions.
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
WebMay 1, 2024 · I'm using the FiTech 30003 400HP 4bbl TBI system with my slant's electronic ignition (mopar dizzy and ECU, flamethrower coil, spring kit in dizzy to get a bit more … highway house motel godfrey ilWebJul 1, 2024 · if you back fired you may have blown out the back of the blower bas gasket known problem with super chargers I bought 10 of them when I installed my 871 causes a lean condition and loss of vacuum 114 lob sep you should be making more vac fitech likes at least 8 to 10 hg 0 1 Deleted user has reacted to this post. highway house jackson californiaWebEngine 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 … small suv that can tow 4000 lbsWebJun 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 … highway house restaurant chicagoWebOct 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. small suv that can tow 5000WebMar 26, 2010 · It also had a stumble when accelerating when the car was already at speed. I tried the usual tuning tricks: accelerator pump adjustment, float level, bigger squirters, smaller squirters, new accelerator pump, power valve and every color of pump cam that Holley makes with every size squirter that Holley makes. Nothing would cure it. highway house the dalles oregonWebOct 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. highway hunter dos