Fitech stalling issues. Dont think it is a ECU issue YET.

Fitech stalling issues If they aren't, then it is another issue. To you issue. Hi, I have same problems with my new fitech 30003 installation, runnin rich and lots of hesitation under heavy accelation, but after I adjusting and syncronise both the front and rear butterflies, adjusting IAC and then reset all learning except IAC, after one hour test drive car running very good and no hesitation. If I rev the engine just after starting, the engine speed rises then drops below the set idle speed, but recovers just before it stalls. I had similar issues with FiTech. Does it at all temps. i have installed around 40 fi-techs and only had a few came back with that issue, 2-3 was fixed I just installed a fitech system on my Scout II 392. 0 Click for thumbs up. Turned "crank fuel 20f" down to -10. 5, no benefit; increase DRY Ring Fill PW by 1. All of this is in a 1989 IROC-Z. had same issue with cranking and cranking and finally starting, was getting frustrated. General Tuning: Tuning issues. Revs to 7500 rpm with no stumble or other issues. Back history on this system is that the ECU went bad and FiTech replaced it during a RMA. Getting close after some manifold fitment issues stalled us for a few days. Putting the trans in drive will solve the problem. I have only shield my FiTech Fuel Injection reserves the right to refuse or cancel any such orders whether or not the order has been confirmed and your credit card charged. I don't think the trans has any issues. I have no issues with my in-tank pump and in-tank pumps are kept cool by the gas. (to prevent any possible electrical interference issues), checked/rechecked/double rechecked timing (all good), checked vacuum (a bit low at round 7 The issue is more of a stumble, hesitation off idle or crusing and then mashinng the gas. She pumped old gas out, filled with fresh and won’t start. We know what the problem is. I have this system running very well and have not experienced any bogging or stalling issues. Installed this getup in a customers car. The issue showed up sometime after that but not exactly sure when. ACT compensates for air density. It wa running ok, but not so much anymore. I We’ll explore a range of common FiTech issues, from engine starting difficulties to fuel system problems and idle inconsistencies. 0 ls with the fitech only running 14 psi boost and he had some problems with his trans brake button he still managed a 9. It will sometimes stall and die, when I push in the clutch to down shift. 8 and it stayed at 205 while idling for a good 10 minutes. Also replaced old fuel lines with 3/8” Earls VaporGuard and so long story short i have a no ecu response on a 30003 fitech go street 400 hp unit with the Gen 1 handheld and i recently replaced the ECU cause it needed to be done anyway and i wanted the nicer fuse box etc and assumed it would also fix my no ecu response. Now having a lot of problems with acceleration, i. Showed normal high side pressure. The supplied unit didn’t return to zero at idle. 1. 0 or 2. I have checked all wiring and voltage at pump and this seems to be okay. Got through that with a new aeromotive pump. Usually can see where issues may arise from there. 1 Post. Hello - I'm working on the initial startup with my FiTech 600 HP w/ timing control and using the hyper fuel in-tank pump. it stalled in driveway. Ford guy, sorrybut this seems to be about the best information I've found so far on the net regarding Fitech. Having problems with pump whine, stalling when downshifting at speed, stalling at idle. and I am always having this stalling issue around 4000rpm and only under heavy load. Now she starts up instantly. FiTech systems need high-pressure fuel delivery, while Holley Sniper requires a reliable fuel system setup for proper function. Click for thumbs down. (I must say I have not driven the car at all yet, this is past the initial start for the project, where I check fluids, leaks, fill up trans, set idle etc Alternator is a for a 2005-2013 truck 105 amp it has a 4 pin plug but fitech only needs the two. I went into the "prime fuel" section and knocked the value way down to 50. Hopeful someone will post some hints. Experiencing this problem with your FiTech system on a new installation where you crank the engine and it fires but it won't start or if you prime the engine a few times, get some fuel in there and it fires and 87 Grand Wagoneer Rebuilt 360 by S&J, Fitech GO EFI 600, Novak in-tank fuel pump, Skyjacker Hydro 4" lift, BFG AT KO2 30", Dynamax Muffler, MSD distributor, MSD ignition, Edlebrock perf 4bbl intake, Elgin perf cam, Oil tube mod, Roller rockers, chrome molly lifters, HD alum radiator, Powermaster 150/100 alt, Alum HD water pump, Serhills tailgate harness, Cowl Just finished installing the ultimate TPI Fitech setup on my 1990 TPI Corvette. The system starts and runs flawlessly for varying amounts of time and then will start to cut out. Ive worked with alot of fuel injection systems in the past but recently got this system for my newest build. Especially Fitech branded pump which is made in china and junk. Having issues after installing: Sniper EFI, Sniper Hyperspark dizzy, Sniper ignition coil and box. So on to my issues. No change. Get eng to operating temp. Vicki's 73 is running with the original FiTech Command Center. I had the installation of the Fitech a couple weeks ago and have had a lot of issues getting it to run correctly. Had too crank too much to start. Stalling mostly comes down to a possible low fuel pressure issue and IAC (output sensor) in a improper pintle position from a "input sensor" starting to falter. All Fitech EFI systems have learning procedures that the system uses to adjust the active fuel tables it is using for operation. Had an rf interference code. The 4l60e has the trans go HD2 kit installed, and it has a 3k stall converter. 0 with Edelbrock heads, RPM ll intake, 70mm TB, 24lb injectors, bullit replicas. I have the 30003 with the Command Center 2 The engineers at FiTech have made an art of building EFI systems that are designed to upgrade carbureted daily-drivers and race vehicles. Never driven yet. It only has a few miles on it (Less than 20) and this may be something that will solve itself with the learning cycle. My Fitech has been great till today. S. I diagnosed the problem as likely being the iac motor, and fitech sent a new one. Are you serious??? Next issue for A body guys which I’m sure isn’t their intended market is the distributor is yes its mechanical, recently replaced, i tuned with vacuum gauge and its in the green with idle screws and was helped with tuning the idle screws it idles great, ignition timing is a brand new MSD distributor with new wires and new ignition box. Communication Problems Between I had a small issue with my FITech similar to this a month ago and it turned out to be a bad or weak cell in the battery. I had to call Fitech, and that is what they told me to do, and have not had another issue, until i had a collector gasket leak. Here's the issue: Warm idle, in park, it will start to surge after about 30 seconds. Now here is my thoughts of trying fixing this issue, first I call Fitech to ask why the Then I called MSD and they said FiTech has an issue with MSD and that I should remove the tack wire from the tack. Fuel pressure, steady 60PSI idle and load. Accurate IAC steps are essential to ensure the engine runs Diagnostic fault code P0032 is often associated with one or more secondary symptoms. Responds to line pressure tuning and shift delay tuning. I have a 67 GTX w/ 440 and a 30003 Go Street EFI System. I have the FiTech and is going through a similar issue as yours. During the first 20-30 Cold Engine Issue (Start & Running) - Cold Engine Issue (Start & Running) - Electronic fuel injection tuning for automotive applications. I'm hoping to make this a centralized thread for how best to get the FiTech EFI performing for our coaches. 5 PWM on FCC2 it boils the fuel inside the cell and causes vapor lock. In the Fuel Cut Control section change Dfco Enable Temp to 300, so that Dfco No starting issues and good throttle response but have ongoing issue with warm engine when coming to a stop or low speed accellertaion. I have a GoEFI 400 #3001 on a 351w in a A/C Cobra standard shift 5spd. I have a mid 80s smog caprice wagon 305 everything basically stock. Ok, I think I'm ready for chassis dyno tomorrow! I got the Fitech Meanstreet 800 tuned to my engine well enough to have it idle without stalling, and it loses traction on the road at about 1/4 throttle when I punch it there, that it didn't do with the carb. I am new to posting on this forum however I have read many posts when setting up my fitech and it has been very helpful. The IAC steps are essentially a reference point for the FiTech system, allowing it to calculate the proper amount of airflow required to maintain a consistent idle. there has been little (got to 60mph in 5th gear the other day and that Hi all. JORDINSKI @jordan. This is just what worked for me. The FiTech 80115 shows as currently unavailable on Amazon and FiTech lists a 80117 as 0-100 psi gauge. (38351 kit which uses factory injectors, so not throttle body) On intitial start I'm getting no injector pulse. I had Have a new blueprint 306 with Fitech 400. Problem seems to happen after ten Here, we’ll discuss the most common FiTech EFI issues, their actual causes, and practical steps to get your system running as it should. Electromagnetic interference (EMI) from nearby high-voltage components can also prevent communication between the ECU and controller. Has anyone else had issues running a MSD off road ignition with a FiTech 400 HP 30003 system? Click for thumbs down. If it sits at 2% or more at idle, it can have a negative effect on idle, parking, stalling. So, I had a successful first start a month ago. The surge continues getting worse until eventually it will stall out or I'll have to intervene. When you log, you must let the ecu power down before you unplug the handheld. Fitech EFI-Runs Terrible Pontiac - Street Remember Me? more throttle and it coughs/hesitates and will pop/backfire out of EFI real nasty. 7 in a '70 Chevelle. My GoStreet 400 starts fine when cold, but wants to stall. 8K views 8 replies 3 participants last post by st3gamefarm May 28, 2023. Anyone have hot start issues with their Fitech fuel command center? Last summer I had problems after being stuck in traffic and then shutting off for 10 mins. FiTech problems (Rant) Jump to Latest I used the Summit distributor for a while with stock vacuum and weighted advance until I figured out how to modify it for Fitech control, which is really great adjusting from the cab. I could distinctly smell excessive raw fuel, so I took off the air cleaner and looked down the throttle body. Idle is fine, 750 rpm and 14 afr, revving in neutral makes afr go a bit too thick, nevermind. I looked at it and it’s not getting fuel. The AfterStart settings are set at three temperatures, so if low temp could be an issue you may want to increase the lower temp settings. #fitech #fitechfuelinjection #fitechefi #fuelinjection Ultimate LS 70050, stalling while slowing down where engine cuts off. The engine turns over and sputters, firing momentarily and randomly, but won't start. Edit ended up getting a hold of Holley, and after 2 months of “we’ll send you a new ‘x’ and we’ll send you a new ‘y’”, they finally ended up sending a replacement Sniper unit. Along with BARO equipped type vehicles. C4 Tech/Performance - Fitech 38350 tpi Installed - Just installed the Fitech Tpi and figured I'd make a post when I was researching about it I couldn't find much info on the install except a few threads on this forum. We just replaced the motor as the old 302 was smoking and started knocking which seemed to create or add to the issues with the EFI. Started the install of a FITECH fuel inspection system on a friends 1970 Chevelle. FITECH programs the unit to dump the max amount of fuel into the intake fromthe factory. Keep all the connectors clean and free from moisture. Had the same problem after about 200 miles on a new install. Won't star again until it's cooled down. It usually occurs early in a drive, the first few miles, but not later. PWM is correct. I finally limped it home, put it in park and everything was fine. This seemed to solve it until the engine was hot again (189deg max all day long) and it stalled or I shut it off. Many of us have run into this issue of the CTS not reading the same as your Temp Gauge. PCM Diagnostics & Tuning - HELP cranks but won't start - I have a 05 5. An in-tank fuel pump is a must to have a reliable system. Returned unit and put in a type I with magnetic pick up. I turned down the prime shot setting to 200 and it seems to have made I have an issue that has reared its ugly head with my FiTech system. Fitech will trigger the relay on and the battery/alternator will power the fuel pump. I didn't see another thread like this on these forums, so hopefully I'm not duplicating someone else's post. (58psi) Fitech said to slow the pump down at low power settings. Anybody else on here fine tuned the cold start on their fuel injection? To help bring your GM TPI system up to date, FiTech now offers a Retro-Fit EFI system. FiTech Fuel Injection reserves the right to refuse or cancel any such orders whether or not the order has been confirmed and your credit card charged. I just finished installing the fitech mean street 800. Seems to be working out so far. Because the collector gasket is before the O2 sensor, it was giving it a false reading. Users have found that updating both units helps avoid further problems. I was also fighting my IAC . On the fi tech systems I’ve FiTech Go4 600 - Timing control via gutted 7 pin large cap HEI - Fuel RobbMc Powersurge with returns. Same problem, no fuel pressure = no start. Keep Connections Clean: FiTech’s sensors and electronics are notoriously finicky. When I pulled my headers for "engine maintenance" recently I found that 1/2 the cylinders on my dual plane manifold were running super lean and the other half super rich. The FiTech wide-band 02 and Annular Swirl Wet Flow technology to get the most complete atomization available, bringing the user more power than ever. The kit is based on their proven, self-learning EFI technology and will improve the performance and drivability of your TPI equipped small-block and Fitech Issue Years ago my sisters ex installed Fitech on the small block in her 51’ Ford pickup. If the issue was your O2 sensor then your engine would have ran better with it unplugged. I thought it was my IAC steps, so I set those. Upon hitting the home driveway again, idle suddenly went bad – surging and dropping. It won't restart and it had a dtc code po335 rpm noise. Called Pertronix and got their trouble shooting guy and guide, checked everything, even a different distributor, no help. Lots of fuel so much so that it hydro locked the motor. then the throttle body makes a loud sucking sound, then goes normal in a couple off FiTech Fuel Injection reserves the right to refuse or cancel any such orders whether or not the order has been confirmed and your credit card charged. The other day I had a backfire through the throttle body and FiTech hasn’t been right since. Always ran great. Set-up: FiTech 30001 / Command Center 2. Recently though, when I called Fitech to get some help with my random stalling problem they suggested that I could just go back to stock timing. A while after we got the truck running, it started idling high. Keep up the great work. Throttle body vacuum port - FiTech supplies a 3/8 barb pointing straight out of the side of the throttle body, straight into the throttle cable. 00. installed by instructions. When coasting down for a stop engine dies. We tried bleeding any air out of the coolant and still have the same problem. e. System doesn't seem Getting close after some manifold fitment issues stalled us for a few days. Stay away from in-line fuel pumps. At this point the distributor is nothing more than a high energy switch. 5% at no throttle. I always recommend a in-tank fuel pump such as Walbro, which is made in the USA. Maybe 500 miles. System was giving I've got an inline Fitech furl pump that seems to be acting up. I hooked a jumper from the pump directly to the battery and it started and I was able to make it home. 77 at 143mph. It's a tuning issue. Cold Start - perfect ! Driving - perfect ! Idle an Performance - perfect ! Only issue: Car wont start when parked after driving in operating temperature. The solution has been to replace with a The FITECH or Holley Sniper both work well and are easy installs. 0. LS69er @ls69er. Now I'm struggling to System running for more than a year and for the most part running well. Im having all kinds of issues just getting any tuning to change in the system at all. We did a leak down test. It starts great when cold and runs great as well. FiTech TPI issues. I think that they realized pwm in the ecu was building too much heat and was killing the ecu. We’ll also delve into the world of FiTech support and community resources, ensuring you have I had the same issue for a year,came across something on the web about the map sensor rubber seal/bushing that sits behind the front cover of the fitech unit, near the bottom behind the cover, after removing the 4 allen head screws take the little seal out and cut the bottom of it off leaving about 1/16 inch,you will only cut about 1/8 inch off, put the seal back on the FiTech Fuel Injection reserves the right to refuse or cancel any such orders whether or not the order has been confirmed and your credit card charged. If your credit card has already been charged for the purchase and your order is General Vintage Mustang Forum. Or, my cam just needs a rich mixture!? it seems to happen when i come off the throttle. Rev engine the throttle pressure drops to 48-50psi. I had failures on 2 ecus like that myself. 3rd place for parking your car all day is cool. New user here. Have a test light and nothing - the injector connector does have 12V on orange and 3. LS1 5. Pwm was the reason for power on the orange wire unlike some of the other systems. An honest fix would be to use a crank trigger And a crank trigger Distributor. My second CJ is a 375/350, slightly larger cam but has a 700r4 behind it. BBC 454 Also, That FCC (Fuel Command Center) did not work for me, as I said earlier, I had a Stalling Issue, The “Shop” and I all agreed to go with the Full, In Tank Hi pressure system with the Return Line. All other driving is just finereally great in fact. His first time out with his fitech and all ready bested his blow thru carburetor! 93weezer The next issue is the TPS. Each section will be accompanied by detailed explanations, potential causes, and practical troubleshooting steps. The issue im having which is a big one is that the prime injection before start seems to go to wide open injectors injecting. I have a lumpy cam, so my engine like 25 initial timing. started car this evening. Then I tried adjusting it down and the hesitation didn’t get better. Hasn’t run in about 1 year. a month. Mine is a stock 350/350 with the Go EFI and a manual transmission. Next the TPS, got it reading 0%-0. There have been problems with the system and we would really appreciate any info that might help us avoid these issues happening in the future. With the wife driving it, I figured the fuel injection would be maintenance-free, no-carb-problem upgrade. It's a 3 wire setup, and I think for ease of simplicity, and to keep troubleshooting to a minimum I'll keep that setup until after the EFI upgrade just to make sure there are no problems. The TPS acts like an accelerator pump. Maybe you can get yours to spit out a log file and see what it's doing. 73's. The problem went away for several months, but now it's back. The Fitech was fucking around trying to keep the thing running right but it overcompensated and stalled the motor now and then. I checked the FiTech output to the fuel pump and go zero volts. I forgot to drop the PWM to A little over a year ago I was involved in the installation of a basic 400 hp fitech setup on a stock '72 c10 with a 350. 3 that I topped off with the FITECH Ultimate LS kit. Has only stalled on me a couple of times early on after install. This would probably make calling in faster. Couldn't make it down the road, it stalled out. The log with the added information will give me an idea of the health of your install. Currently I am using the Fitech unit and factory ECM on a 90 with a zf6 with all gauges working. Reactions: rel3rd. Local time 11:01 PM Joined May 25, 2021 Messages 9 Reaction score 9 Location more of this air to go directly past the Throttle blades you will hear less hissing and hopefully will eliminate your stalling issue. I bought Holly's efi Fuel tank kit with pump in the tank to solve the fuel slosh problem. restored 68 Mustang, 302, 5spd, started out with 30003 system, then went to a FITECH in tank pump. When rpm falls pressure shortly goes up to 53-54psi and then back to 52psi again. Pin 30 is power from the battery and make sure to install a fuse with 10gauge min wire. When cold, it fires right up, no issues at all, ever. 4K, so im new to fitech. After consulting with Fitech I continue to have intermittent stalling issues when I go into neutral when coasting to a stop. Members Having this very same issue with my FiTech 70050 on a Gen 3. I have been waiting for an appointment slot with a FiTech "guru" we learned about at a car show for a couple months now. I ran into a guy this summer with a mustang and a FiTech complaining about the exact same issues as I see. I thought having fuel injection on my 71 Mustang would be nice, now I'm not so sure ENGINE SIZE: 429/5 speed FITECH SETUP USED: 1200hp version Then a little while after that I couldn't take it above 1800 rpm without the engine stalling out only to kick back on when I let off the throttle. rfi suppression plug wire, new plug with resistor , way much My car is a Checrolet Camaro 1988 with a new Crate 350 Engine and a new FITECH Classic EFI Throttle Body System 30020. 5 and DFCO Return MAP to 23. 1,2 put volt meter on the battery same as things start warming we know voltage will drop due to heat and load. Prime shot setting was at 257 and for the most part it would fire right up when cold, but then was very hard to get it restarted when warm. We wanna know cause there are at least 20 other guys that we know Most of the problems they test for will be addressed further down telling me its common issues and maybe they should have a doc posted “Check these things before you call us”. Every start takes atleast 7 seconds of cranking then starts fine. It's got a long lead time and not on Amazon so far. How to Fix It. I have a 66 Buick Skylark that I installed Fitech Go master kit with inline fuel pump. the only thing is im not sure if it started from beginning or after the 6AL was installed. It is a 71 Chevelle with stock gas tank, frame mounted fuel pump and Corvette filter/regulator. Mildly modified Chevy 4. Interference from Nearby Electronics. With modern fuels the injection has a great advantage over carbs. can anybody PLEASE give me an idea what is wrong i have been trying to figure out since jun 2016 best regards from iceland Here is a diagram. I called fitech they told me once IAC is set correctly cold starts and other problems should be good. It worked ! this is what i did. My local speed shop has a similar one in stock from Redhorse Perf with same 1/8 NPT male fitting on back so suspect that will do the trick. 3 v6 with 600 power adder, fitech control timing. Like I said, all FiTech set-ups I've ever read about or encountered face the same issue. Your issue is most likely heat soak. 5, the motor will bog there for a second and then it comes alive starts pulling hard. 0 1971 Mach 1 Mustang w/Ram Air, 408-4V stroked Cleveland, Hooker headers, FiTech EFI w/ RobBMC PowerSurge pump Well, at least I think it's the Fitech. For the stalling issue FiTech recommended several fixes – increase the DFCO Return fuel by 10-20% - raised it from 65 to 76, no benefit; lower the 2 different MAP values by about 4 kPa each – lowered DFCO Cut Fuel MAP to 21. You have another issue. Holley Sniper has advanced features like laptop tuning, but it's pricier at $999. I noticed the vacuum wasn't changing on the display, searched for fitech bad map sensor and this thread saved me tons of I installed the FiTech Mean Street system (supports up to 800 hp) on my 383 stroker. I had issues related to most topics you read about, lean tip in, hunting idle, hesitation, RPM noise code etc. Cam setting set at 4 for wild. 5V on black which looks to be correct. Leaving a store parking lot, I started the truck as normal and pulled out of the parking spot. I've got some of my wiring running past the coil HT and havent had any issues though. That's when I decided to give a Fitech 600 a try with the rear mounted electric pump. I've always had to wait a few second with the ignition on before cranking for the Fuel Pump Problems - Fuel Pump Problems - Electronic fuel injection tuning for automotive applications. While we waited we fired up the vinyl cutter and made some sticks. My problem is that it used to work when I got it installed in the car for test drives in my yard and idle. Jump to Latest 4. Following FiTech’s guide on installing firmware correctly ensures the process goes smoothly. If you allow the idle issue to continue, it may get worse over time and morph into a larger problem like stalling. Right now I'm running a Mallory UniLite Series 37/38 with mechanical advance only. I have gotten the car to run a few different times well. FITech does not like low After consulting with Fitech I continue to have intermittent stalling issues when I go into neutral when coasting to a stop. I can not replicate the issue in the garage. I built this engine myself to the best of my ability, and through how it has run so far, it’s proving to be good. While my buddy Larry and I were troubleshooting the issue with the Fitech system just letting engine die when letting up off of the gas free revving or driving down the street, I notice smoke coming out of the engine compartment. I pulled a plug and it looked like it was lean. When I stop and shut engine off and come back a few minutes later and restart the idle will go up to 1500-1800 and stay there for about 15-20 seconds before returning to preset warm idle. I got maybe 200 yards and the truck slowed down and stalled. Regularly Check Fuel Pressure: Make sure you monitor your fuel pressure regularly. It restarts fine. also I've heard any TB wiring thats too close to any HT wiring can cause interferance. Thanks for the info. If your credit card has already been charged for the purchase and your order is start eliminating things. or so. If your credit card has already been charged for the purchase and your order is cancelled, FiTech Fuel Injection shall issue a credit to your credit card account in the amount of the incorrect price. I had starting problems. Have tried all the things. Dont think it is a ECU issue YET. Idling issues can be caused by a lack of fuel or an issue with an air bypass solenoid. Found out the white wire from the fitech needs 12v when key on "and when" cranking. I've even had it happen when backing out of the driveway. All good, no issues for two years. They have had me raise the DFCO Hey folks,Issue: Idle changed to erratic, with a lot of variance in rpm, and generally a rough idle. Anyway, yesterday I experienced an issue out of nowhere that left me stranded. -the 6 Al was added because fitech suggested it -ill get the log and up load asap-timing control on fitech is off -fuel system/fuel pump is wired directly to Fitech-rev limit in settings 5800 -this issue has been around all the time. Other than that the system worked great. I run IAC steps a bit higher at around 9-14 warm idle. Turned out he'd floated the I'm having an issue with the engine wanting to stall when coming to a stop or putting the trans in neutral. as soon as it hit 155 ish temp it stalled and no more start again. This is the case at least with stock tune engine. Please Login or Register to create posts and topics. I have already contacted FiTech and they say it sounds like the fuel pump is Fitech has recently redesigned the ecu and did away with pwm. . I have checked the injectors and they seem to be pulsing, there is spark, and there is plenty fuel pressure. I will try that fix tomorrow. Drop it down to 40. Hello,We have a customer’s 1989 Jeep Wrangler YJ with a GM LS3 running a Fitech 70013(Ultimate Ls Kit For Ls3/L92 - 750 Hp W/O Trans Control) feeded by a Fitech Issues with Fitech Ultimate LS3, kit# 70013 - Issues with Fitech Ultimate LS3, kit# 70013 - Electronic fuel injection tuning for automotive applications. Again. It would idle or even while driving and the tack on the control would jump quickly and then drops back to normal and then jumps and then back, each time different RPM speed like 3K, 4K, 2. Sometimes it took 3 tries to get it to fire up. Overall, I like it pretty well but I am having some cold start issues and it is taking me a while to figure out what settings to adjust to get it to work correctly. Problem seems to happen after ten mile or more trip at highway speed. I never did get to the bottom of the issue and then decided to do a rebuild, I now have finished the rebuild and tried it with the settings it had stored but it was no good, apart from the cold start there were issues with it bogging down, not Yesterday my FiTech EFI on the International 1210 started acting up and would start fine but after a short period of time, stumble and die. David W FFR-4874 Mk ll, 3 bar coilovers, 5. I have the following problem and dont find a solution to fix this. They informed me my MSD 7 wouldnt work with the ecu. They’ve enabled going to fuel injection with the least obtrusive modifications from the car’s original configuration. Switching to gear and moving i have a nearly dead spot there The FiTech seems to universally have stalling issues if you follow the forums. Often the guys with troubles have tried the external pumps or surge tanks which can easily over heat and cause stalling on cars in hot weather. 974 posts · Joined 2004 Add to quote; Only show this user #1 · May 11, 2023. But it stalled and never started again. I have drove over 100 miles since installing my fitech as it runs great. It kept wanting to drop down to 0 after driving it and during cold starts it kept stalling also stumbled at tip in. Retuned IAC steps per instructions. Anyway problem solved by me with help from this forum. Using stock tank the only problem I had was the fuel slosh on heavy acceleration. I towed it home, and started checking: Ignition OK 12V white files during start-up, (even tried on the + direct on the battery) I have my fuel system set up as a dead head, consisting of a walpro pump in the tank and fitech fuel reg up front with return at the reg. Pin 87 goes to the plus side of the fuel pump. Hi Austin, I am having the same issue with hesitation when starting from a stop at temperature, and yes, my AFR Learn is at -35%, give or take a couple decimal points. FiTech supplies a few NPT to hose barb fittings, but they point straight down into the valley cover. Cranked a lot would not start , started after 10 mins. Anytime I whack the throttle open, my afr will jump up to 18 then down to 10. #fitech On the turboforums we have a guy running a 1979 camaro with 6. Motor, Fitech system and fuel lines are all new. Nitrous Last post. 0 milliseconds – increased it to 6 Do not use 74. I'm a Fitech newb with same unit as you with command The Start mode basically means the RPM was really low ( below normal idle ) and it would really richen up the mixture. FiTech systems can be sensitive to FiTech Issues. Glad I took the day off, because it took till now from 8 this morning to get it to this Fitech issues finally resolved. MAP or MAF are input sensors that act like main metering. Voltage at start before warm up as follows 14. Cold RESTART issue with FiTech, anyone else? Jump to Latest Great advertising for FiTech customer support. Start with basic groundwork then build from there. The car will currently start Initial Start - Starts & Dies - Initial Start - Starts & Dies - Electronic fuel injection tuning for automotive applications. After the truck sat for 45 minutes it started right up without issue. It showed up as surging at idle and stalling from a coust and stuttering on light throttle. Over the years of having my FiTech occasionally I would have hot start problems, but they seem to be getting worse. Holley Sniper is easier to use and more reliable than FiTech, with fewer reported stalling issues. and correcting popping and stalling etc Sorry to hear you are still having interference. L31 vortec crate motor with edelbrock performer rpm air gap, 600pa system with fitech inline pump. st3gamefarm Discussion starter. Sometimes if there are outside problems such as bad misfires, exhaust leaks, or any other situation that could cause poor readings on the O2 sensor, the system will try to compensate in order to keep the car running. Proper ground is I have had the fitech 400 hp model with fuel command center for approx. This leads me to believe that the o2 sensor or the fitech itself is reading incorrectly. Fixed. Reply Like #2 03-10-2018, 02:40 PM Ran but stalled constantly. Not heat. Its also running a 88mm ball bearing turbo. You can try and wire in a relay but in my case the ecus still failed. 95 compared to FiTech's $795. I got a couple elbows to point the barbs towards the back of the motor. get annoying when ur in a parking, tap the throttle and the idles "hangs" make the truck lurch forward. Oddly, I have had starting problems since adding the coolant. The following are several of the most common symptoms associated with DTC P0032. Running Im a new member on this forum. 2. 7 Posts. No starting issues and good throttle response but have ongoing issue with warm engine when coming to a stop or low speed accellertaion. Visit https: Tuning issuesCold start, IAC, AFR, etc339 Topics · 2,447 PostsLast post: Resetting unit! · 3 weeks ago · Feet. This far. I have it on about a month. got it installed it etc and tried to update my handheld to the new software and still no connection to my pc now? so i Okay lemme start of with what engine I have. Recognizing these symptoms can prove key when attempting to diagnose the issue at hand in the most timely manner possible. I would rewire it without timing control to take any possible problems with the ignition system interferring with the Fitech out of the equation. I've read through all 48 pages and still cant seem to fix my issue. RPM falls and rises from 400s to the 1300s while its struggling to be smooth. once I got that wire hooked to the right voltage it fires up first turn of the key. If your credit card has already been charged for the purchase and your order is New EFI Website Now OpenNew website for Fitech products now open and serving customers. I been trying to fix lean off idle issue, maybe its not a common off idle issue, but cannot say better name for it. Nothing changed, just the Pertronix, then the problems. So today I called Fitech and the came with same solution by cleaning the contacts. This is the biggest problem with FCC. The issue may be because of me switching from frame mounted pump to the in tank pump, I dunno. Was only about 65 degrees out and I didn't drive it very far (20 miles) when this happened, it's certainly been driven a few hundred miles farther in the 90+ degree weather and also in stop and go traffic in the heat with no issues like this. I think the Go Street 400 is probably the most common FiTech EFI used from GMCMH's. I have had to sort out venting issues with the fuel command and fixed that finally with no help from fitech, apart from their one line, abbreviated sentence reply's by email. So I adjusted the target to something drastic like 12. dont min the fuel pump and the mess of wiring in the hood ive spend the last 3 days trying everything i could possibly think of and it still giving me the hardest time. Remember any modern day car has a in-tank fuel pump. Mine turned out to be a bad . Using FiTech’s proprietary self-tuning technology, you can get your car on the road or track faster than ever, using just your gas pedal and the included handheld controller to make it all happen. Vacuum leak, exhaust leak, not enough exhaust length past sensor, etc. Members #1 · June 13 From what I have seen Fitech works best if you have a standard high pressure pump and don't use the Fitech to set the timing. Just installed a 383 with FItech, the car starts then gets hot quickly and shuts off. Resetting unit! 3 weeks ago · Feet. It then stalled and would not restart at all. '68 chevelle, 2 door post, 454, m20 4 speed, 12 bolt posi w/3. They offer everything to successfully swap over to digital fuel squirting, and even offer products designed 1987 Monte Carlo SS I transplanted a new 350 crate motor, added a new gas tank, fuel pump, FITech Fuel Command Center 2 and FITech Go Street EFI 400 hp throttle body. That fixed the issue, was a bad cpu. It runs great once I can get it started. :grin2: I was able to get the car to start for a short run yesterday; so I know the timing is at least close enough to start the car. The trans shifts smoothly and has all gears. but the really weird thing was that every day I got in the To disable it, go to GO-EFI Tuning in the handheld and select FUEL CUT CONTROL. Below is a summary of the issue that we have encountered: I have the 400 hp system with the fitech electric fuel pump. That said, I adjusted the dfco return fuel up and it actually got worse and stalled a couple times. We just want to know if any one else is currently experiencing this issue after installing a FAST 102MM intake because we have a fix on the way for this concern. Timing was not consistent, engine would quit after running for 15 minutes. I did reset my Fitech this May and got stalling issues ever since. about 12degrees initial timing with a vacuum advance of roughly 32 degrees ive messed around with different timing and it loves to be just This resulted in MASSIVELY cooler surge tank temperatures and no more stalling. Edelbrocks answer is to buy a sensor from Standard Ignition. there could be an electrical issue The other side of the relay I connected to the fitech white wire. I noticed that while cranking, the fitech handheld lost power, so I had to connect a wire physically from my battery to the fitech red wire and also to the switched relay hot side for switching power on key on to the fitech white wire. Engine stalls when in drive. I have a ford 393w stroker engine with the 600hp power adder fitech efi. The orange wire from the fitech goes to pin 86 and pin 85 goes to ground. spacer and might try the carb heat shield. When this happens the controller display freezes with the RPM stuck at 59000+ and I have to reset the display to see real time I have had issues in the past with burning new rotors and caps so i always carry spares. When driving the following issues surface: Letting of the accelerator and coasting, the engine will shut off and then turn back on between 850-1000 RPM's. Pulled low pressure line and mechanical pump is sending gas to the pump/tank in the engine bay. Not sure if its related but i left a spark plug wire off. He gave me a guys number who he claimed was able to dial his in that's not too far from me. Very strange!! Hello I need some advice on hanging idle when engine is at operating temp. here a quick video of when it started to day. proud FiTech customer. Thread starter JORDINSKI; Start date Jun 13, 2021; Jun 13, 2021 #1 JORDINSKI Member. I've tried adjusting the IAC to no avail. Put a new collector gasket in, and all the problems I have the exact same issue as OP. If your credit card has already been charged for the purchase and your order is FiTech Fuel Injection reserves the right to refuse or cancel any such orders whether or not the order has been confirmed and your credit card charged. Your stalling issue or any other tuning issues will come later. Had this issue last year and Austin was good enough to give me some help. '65 Chev El Camino, Pro-Flo 4 4150 MPFI SBC350/Maybe 400HP @ crank, 700R4 Global West, QA1, Viking, Wilwood, UMI, ProForged I have had the Fitech for about 2 years now, warm it runs really well. I am going to replace the distributor cap tonight, reset all the learned data, get it running and check vacuum again. You Phase it just like you would set timing and have no extra crap isidr to screw up. Before I send my controller back to Fitech i want to know if somebody had the same problems and may have a solution for it? Uploaded files: You need to login to have access to uploads. I have a fitech efi8 power adder on my 427ci yates small block ford. Illuminated check engine light; Reduced engine power Another issue is that when pumps runs 5sec fuel pressure gauge shows 58psi but after starting gauge shows 52psi at idle. prior to this issue all I had changed was the DFCO setting per Fitech instructions for manual vs automatic trans to keep it from stalling when pushing in the clutch at a stop. A lack of fuel as previously mentioned could be a problem with the fuel pump, fuel filter, or one or more injectors. Back when I was the guinea pig, and had all of my Fitech FCC issues, I had to go back and forth with them about the pump overheating, boiling fuel out of my FCC "vent" fitting We have fitted a FiTech 30003 EFI system with the 50001 Inline Frame Mount Fuel Delivery Kit to a 241cu in Rover / Buick V8 in an MG B sports car. Fitech has provided a new update that gives the user control of the Coolant Temperature Sensor. Corrosion and dirt can cause issues, and with FiTech, even small problems can escalate. Good to I have exactly the same problems as you My Fitech installation # 32002 is about 1 years old 2000Km I left home, did about 10 km, stopped the engine, and wanted to leave after 2 hours, but I couldn't start my truck. It usually occurs early in a drive, the first few miles, but For the stalling issue FiTech recommended several fixes – increase the DFCO Return fuel by 10-20% - raised it from 65 to 76, no benefit; lower the 2 different MAP values by The major cause of issues with the Fitech units is sub-par/incorrect wiring of tach and/or white ignition wire apparently. Need help with cold starts on my 1200pa. nkvy kyjz rheo sdi sgsv goxj inohb fbpnc cxf clug