Skip to content
shutterstock_527458141
Sam Himelstein, PhD

Fitech ecu problems

Good point on debris. This is also the only computer mounted throttle body that offers spark control without the need for an external spark box or special Mar 17, 2017 · FiTech incorporates the ECU directly into the throttle body to reduce the number of wiring connections that must be made. No problems with the fuel injection unit though. Injectors are in the intake manifold. Yellow wire is not used. Problems with car ECU. I'm running a tanks inc efi tank with walbro 255 pump. . FiTech Fuel Injection is the number one choice of both amateur hot-rodders and professional EFI tuners worldwide. Nov 05, 2019 · The ECU is the engine control unit of your vehicle. FUEL PUMP CONTROL: The FiTech ECU for Go EFI systems has a special driver circuit that will drive the fuel pump directly, which   FiTech EFI has more fuel injection systems in use than any aftermarket fuel injection company. ECU grounding do s & don’t s by Adaptronic By TurboSource February 1, 2017 Adaptronic adaptronic ecu adaptronic m2000 ecu adaptronic m6000 ecu Adaptronic Modular ECU ecu grounding ecu grounding how to ecu grounding problems wire in ecu Plenty of people having problems with fitech and carbs, most don’t follow proper instructions. Aug 31, 2017 · FiTech calls it the Ultimate LS induction system and the base kit includes everything needed, including the intake manifold, throttle body, ECU, complete wiring harness, injectors (either 36 or 66 lb/hr), fuel rails, fuel hose, fittings, and nearly every sensor you’ll need to easily bolt the system onto an LS engine. I am getting "ECU no response" after install of my FiTech. The FiTech EFI master kit comes complete with everything needed to install an EFI system on practically any vehicle, in almost any cylinder configuration. This is also the only computer mounted throttle body that offers spark control without the need for an external spark box or special distributor. No need to do anything else. he said 3 things to try/check - try richening accel pump by 10 and see if that helps - install fuel pressure gauge to confirm proper fuel pressure The second was my 340 has the new 6 pack injection & was running fine until the blaster 2 coil flashed a HV through the MSD insulator into the injector connection damaging the ECU fitech said they would replace the ECU under warranty but due to being in Australia & having a 6 to 8 week turn around i requested the price on a new ECU $225 USD a worker here has a go EFI 600 power adder & the ECU for that was $225 as well so he got a spare . Those systems will work. Their LS EFI 500HP fuel injection systems bring incredible ingenuity to the market. The one thing I did change on Friday before the problems we installing a PCV valve in one of the valve covers. FiTech sent me a new one, this next one had a software glitch that wouldn't let me access the pro tuning page, the FiTech guys wanted me to send them the handheld and the throttle body back to them so they could figure out the problem, so I did. Your second problem should be a bit more concerning. With a rich heritage of skillful engineering, FiTech is committed to making the most advanced electronic fuel injection (EFI) and LS induction systems on the Earth. Mar 25, 2018 · Make sure you understand, besides buying the 6pack intake, you'll need to mount the ECU. I have a friend who installed the Edelbrock system in 408w and it outperformed the sniper and fitech units. Our Engine Compatibility tool is to be used as a guide only. While trying to solve the problem, the handheld died, the screen went white and stayed there. A major selling point of FiTech is the completely integrated system. No dyno, no tuner, no factory re-flashed ECU! The FiTech 70050 Ultimate LS Standalone EFI ECU kit is the ultimate LS swap computer for DIY enthusiasts who want full control over their engine management. Aug 31, 2017 · FiTech’s throttle body systems incorporate the ECU into the throttle body, but with the LS system, the ECU is a separate box that can be mounted almost anywhere 8/13 5. Dec 08, 2016 · The FiTech systems are good-when they work. Olli - Gas is new and so are the fuel lines. Fitech- Won't Start - Update 6. I am having trouble getting my FiTech up and running. Up to that point everything looks typical. Reset All Learn = Set this to 1 to set . I created this group so that Fitech users can help and discuss technical questions. When its not acting up, it runs great. If you’re considering utilizing a factory intake, injectors, and cable operated throttle body, FiTech’s Ultimate LS standalone self-learning ECUs will get your engine ready for optimal performance. Nov 27, 2018 · They are the most self contained and featured units of their type. 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. No luck with the ground. Apr 10, 2016 · That's problem 1. AZRealtor - Was your SBC application using the FiTech for timing control? I'm not using the FiTech for timing control, so I'm not sure if that matters or not. Edit: I shouldn't say that they have no idea, they had me reprogram the ECU and they think that should solve the issue but I'm not convinced. I need to do some more looking at it to see if I have a loose connection or something. Fitech EFI Users has 9,083 members. The clamp style o2 bung was leaking so i welded one in and no change. Mar 11, 2016 · As for the ECU, FiTech mounts it directly to the throttle body, and all necessary sensors are either part of the throttle body – like air temperature, throttle position sensor, idle air control valve, and fuel injectors – or they are included, such as the wide band O2 sensor and the cooling temperature sender. One difference might be if you want the ECU to directly control the ignition coil. Talking to the people at FITech about marine install. And thinking about going this route instead of carb as i plan on street driving and running some at the track thanks FiTech's Go EFI 3x2 Tri Power 600 HP Fuel Injection Systems with External ECU sticks to basic functions that deliver the best possible performance and economy for your street and mild performance engine. Thanks,-Bryce. Their 400 HP system and the mid-way 800 HP systems will NOT control ignition timing. They boast the FASTEST most accurate Self Learning available, Timing control, Wet flow Annular discharge and tons of additional features. It did this 4 times and now I can't even connect to the ECU via software. When you are building your car from scratch or converting your car from a carbureted setup to an electronic fuel injection setup, plumbing your fuel sRead more. Aug 24, 2017 · A quick google of Fast 2. And by the way, you can not change fuel pressure either. I put my FiTech on with no problems. It's sitting on a 355 with a 142 supercharger. Now the only sensor listed that you are supposed to receive is an oxygen sensor but interesting that some kits have some and others dont. Avoid having to buy additional software programs, learning how to think in computer code, or relying on a questionable 3rd party tuner. Only have about 100 miles on the FI, and the car for that matter, just finished a 2 year resto. My build will be light, around 400 hp. Sep 05, 2017 · Fitech and RF or emi problem Discussion in 'EFI Tuning Questions and Engine Management' started by moparborn, Sep 5, 2017. Dec 12, 2017 · FiTech EFI systems use a Manifold Absolute Pressure (MAP) sensor to read vacuum of the engine, and with this information, we can calculate the load of the engine. Recently my FiTech started to not want to start when hot. All Fitech EFI systems have learning procedures that the system uses to adjust the active fuel tables it is using for operation. And if I want to modify it all I have to get is HPTuners or EFI Live and use that to tune it. The afr shows around 10 with no AFR adjustment. Yes it is a cheap way to fuel injection and it does work. I just picked up a complete 5. It seems like a heat problem caused the hot no start. Not too much info online and Fitech service is off and on. I have put a few 1,000 miles on the 400hp FiTech Efi system. Sent unit back and ECU was bad after 2 years and 1400 miles on it. I can drive it all over hell and gone with no issues (except the backfire on decel that Fitech says cant be fixed) until I turn it off. Fitech EFI system Was wondering if anyone has used the fitech efi kits for there foxbody as I just picked up a 85 4 eye I'm fixing up . This driver circuit allows both PWM control (pulse width modulated), and direct internal relay drive of the fuel pump. right? Even a batch / bank fire factory EFI set up with injectors in each runner improves distribution and gets the fuel closer to the valve. If you have an LS engine, they offer two styles of system: Complete: Intake, throttle body, injectors and rails, harness, wide band O2 sensors, ECM, dash touch pad. DOWNLOADABLE PDF. Can you pull a data log with fitech? I assume you can. Re: Fitech efi Fuel Injection. The ECU is mounted on the throttle body so there is NO external boxes or harnesses to clutter up your VW engine compartment. Any suggestions would be greatly appreciated. New to FiTechAnswers to help you understand the capabilities and features available115 Topics · 932 PostsLast post: fuel pump does not stop priming · 18 hours ago · gicknordon Oct 02, 2019 · stupid question for fitech owners when I make a change and send it to the ECU, does that change take affect immediately, or not until the next time the car is started and the map loaded? I swear, the car ran better yesterday after I had it parked for a week, so I started wondering if the maps I was updating were getting loaded. Just looks like it doesn't even see the ECU, although car will still start off of the ECU. It has a float similar to a carb to keep it at the proper fuel level. set wires up to tight to the firewall, damaging some lines ( seems . The handheld is working but when I go to initial setup I get "ECU no response". According to Farrell some of the standout benefits of FiTech’s products include: ease of installation, faster startups, and better performance. With carbs all we had was seat of the pants, so many will make a change and then drive. Now they are recalling some of the FCCs because of a problem with the vent. please check on the individual parts description to ensure this suits your requirements, if you are unsure, please contact the EMA sales team. Forget sourcing mismatched parts and cutting and splicing old harnesses and re-flashed ECU’s from “Craigs List” tuners. I called Fitech - they had me check the fault codes. Pull a log and then zoom in on a portion of it when you get the noise code. That's like what the fitech is. Not many in the last years at all -- the fuel pump was slowly losing pressure and it took a while to get low enough to cause enough problems that I finally thought to check fuel pressure. An update on my Fitech problems: They had my throttle body and hand held for a week. When it is working right it is better than the 750HP dbl pmpr Holley originally installed with the engine. This saves you a Huge amount of time and keeps things simple and neat. Sometimes under steady state cruising, sometimes in transient tip-in or tip-out. When problems with the ECU or by its other term which is an ECM that controls most of the relevant function, to keep in good running condition! Like all car components; the ECU or ECM will have to undergo maintenance like other components, but this is vastly you probably need to go to the dealer and have the immobilizer linked to your car/ecu and there may be mismatched software from the ECU/PCM/TCM etc. FI Indicator Light Check: Kill switch on (ready to run) Turn on ignition switch ; The FI light should turn on for 1-2 seconds, then turn off. Inside the fuel center a 58 psi electric pump sits in a"can" with about a quart of fuel in it. Jun 15, 2018 · FiTech stepped up and replaced the ECU, and wiring with the newer harness (with separate power and FCC wire harness with 14 gauge wiring) FREE OF CHARGE! This unit has been out of warranty for over a year! Bryce in FiTech's tech department really helped out. FiTech Fuel Injection 70050 Ultimate LS Standalone ECU – W/o Trans Control Reviews Return Procedure To obtain a Return Merchandise Authorization (RMA) please call us at 512-863-0900. But for serious fine tuning all of the settings can be changed through the handheld controller. Fitech EFI Rpm Noise Solved. Beginning with just a couple of EFI systems as little as two years ago, FiTech now has systems supporting engines with up to 1,200 horsepower, dual quad, nitrous, boosted, and even E85 (with some adjustments that can be made on the handheld controller). Enough time to see the issues and week points of the system. EFI-4 and EFI-8 FiTech has manufactured two different EFI systems. It's well engineered and equipped with many features: a hand-held controller, windshield mount, die cast throttle body, Wideband 02 sensor, throttle position sensor alarm, black anodize, and many more features. FiTech Street EFI 400 HP Conversion - 1958 Corvette I have converted my 1955 Belair to Edelbrock Pro-Flo EFI in 2003, and that is one of the best things i have done so far in terms of drive ability. It is also often referred to as the PCM (powertrain control module) or ECM (engine control module). Select FiTech Fuel Injection Systems in stock in Canada and ready for shipment! Don’t wait to get the hottest performance part for your ride. Systems range from simple entry level 400 HP to all the bells & whistles 1,200 HP. They replaced ECU at no charge but I haven't put it back on because I don't like the idea of getting stuck again. 00 for the 500 HP system without trans control, $1,745. This self-learning Ultimate LS ECU is the best solution for a standalone LS swap and replaces the OEM computer and harness. I still have concerns about the FCC v1 and its reliability. Route the blue wire as far as possible from coil, spark plug wires and other potential sources of electrical interference. 10 Jul 2016 Now that a decent number of members have purchased a FiTech unit I thought it would be nice to have a common thread Had issues with my o2 sensor wiring, self inflicted. FiTech offers an array of FiTech EFI Systems, designed around your HP needs. 9 Volts from the Alternator. The handheld display never loses power either, it just freezes up. Please review your cart before checking out to make sure that your parts are legal for use in California and other states with similar regulations. Mar 11, 2016 · Unfortunately, this can cause problems with a self-learning EFI system. A lot of time can be saved by tuning to the data right there in the driveway. Sep 13, 2018 · ECU PROGRAMMER Thursday, September 13, 2018 (Solved) FGTech Windows 10 Error: Driver is not digitally signed mostly problems with software no open is pc or laptop . EFI Fuel Pump Technology 101: Selecting The Right FiTech Fuel Pump. (another 5000 miles) Did have a problem with the vent on the FCC but I sent it back and they fixed it. Customer support has been good from FiTech but they have no idea what is causing this problem. Any help info on Sent it back twice and they replaced the ecu both times. If you experience jerking or stopping, you regularly maintain your transmission properly, and the vehicle has adequate levels of transmission fluid, then a faulty ECU should be suspect. The ECU (computer) is mounted on the throttle body, which greatly simplifies installation. . You may have to register before you can post: click the register link above to proceed. FiTech Go EFI System Fuel Command Center ensures that you have one of the most advanced fuel delivery system available. Dec 10, 2019 · The average owner of an economy car will end up spending close to $1,000 for a replacement job. It operates by turning a screw that positions the tapered cone. as idle and cruise, reducing noise and heat at the pump. The state of California and other states with similar laws and regulations prohibits the use of some parts on emissions vehicles. Jul 08, 2017 · The second slightly less likely reason for RPM surge at idle is a dirty RPM signal to the blue wire on the Fitech ECU. Since the camshaft dictates so much of the running characteristics of an engine, camshaft consideration when choosing EFI is equally important. Orange Ron Francis wire is run to coil positive. The Sniper is installed very simply as I've only got it hooked up to an MSD 6AL and Ford electronic distributor. 4:1 cr, Comp 280h cam 230/230 . I had this same issue with mine, turned out the FCC internal pump was broken so when I would crank the engine my mechanical pump was filling the FCC but the internal electric pump wasn't sending any fuel to the FiTech unit. ECU Fault Codes. There really is a ton of options here for the user and their application. Cody- FiTech Tech Pro January 17, 2017 Turn the secondary screw counter clockwise until it no longer touches the throttle stop, then turn the primary counter clockwise until it no longer touches, then turn the primary screw in one and a half turns after it touches. < Feb 01, 2019 · This FiTech EFI is perfect for an everyday driver, a weekend cruiser, or bracket racer. The repeats ever stop/accelerate. How to check for fault codes. Open loop also uses maf meter readings which is slower. In addition to the FiTech harness, the only additional wire needed to get everything hooked up is the switched wire. Seibon Carbon Wing, Instinct 19x8, Js Style Front Lip, Custom e30 VitTuned, TSP Stage 1, KTuner v2, Morimoto HID 35w 6500K, Morimoto XB LED Fogs, AF Dynamic Red SRI, Jet's Vinyl Door Sills. It ran good till I got stranded and had to have car flat bedded home, no start condition. 16 Bronco Tech. Posted by The sensor reads the exhaust gas and the engine control unit – the computer (ECU) uses the information as feedback to the tune. 0 and you will find pages and pages of problems just like in here. This is very evident from the redundant mechanical pressure regulators on both throttle body and command center. I got a datalog of it, but it stops when the ECU shuts down. Not necessary for Fitech. Reliable and easy to tune, the FiTech EFI appeals to every driver. They said that there have been marine installations and to check them out on utube. ECU is mounted inside etc. 1. The first gen FCC was an issue but if you are starting from scratch I'd go with a new tank with an integral sump and pump. Looking at both the sniper and fitech price point about the same. From my experience, the fitech unit is like the cheapest car you could buy on a lot back in the 80's or 90's. If I let it sit for awhile and then try and pump the gas like a carb I can sometimes get it to start but after I try to feather it a little it dies. 00, $1995. Still can't do an ECU reset (says ECU response error). May 13, 2019 · The handheld is just a tuner. As long as your wiring is equal to or greater you should be good. The ECU (electronic control unit) and the other sensors, the IAC (idle air control) TPS (throttle position sensor) and the MAP (manifold absolute pressure sensor) are incorporated in the throttle body of all the systems. radd. But for now they dont make a kit that supports the 351c Engine. I put the carbs back on and haven't had a problem since. Problem 2 is the FITech doesn't remember the questions I answer as far as Cubic inches, cam etc. Your AFR is pegged lean. The Self Tuning Fuel Injection systems are perfect for your everyday Driver right up to your weekend Street Machine or Bracket Racer. ECU SELF-DIAGNOSIS: If the FI indicator comes on during operation that means there is a problem with the Apr 05, 2012 · A damaged ECU can cause problems when shifting gears in an automatic transmission, or cause sudden jerking or stopping that's similar to transmission problems. Avoid having to buy additional  22 Oct 2016 Mar 19, 2016 · It was only 6 months old and not FITECH problem for sure. The ECU is grounded by the engine block. The HyperFuel Single Pump G-Surge Tank is designed to be used in vehicles that have fuel starvation issues when being used in extreme lateral G environments. Here's what's in my support ticket, but I likely won't hear back till Monday and was hoping someone here may have run into this before: A call to FiTech support (and a 30 minute hold wait) confirmed that the unit grounds through its machined casting bottom and a bare spot above one of the mounting stud holes. FiTech will potentially work better, it has an annular injector discharge, but its got other stuff that takes up space in the engine bay that I don't like. This FiTech ready-to-run throttle body system allows you to remove your carburetor and advance into the EFI world at an affordable price. Solving RF Interference Issues in Sniper EFI Installations If this is your first visit, be sure to check out the FAQ by clicking the link above. Dec 08, 2016 · Some people are lucky and FiTech works well, others are overwhelmed by never ending problems. and keep the fuel in the tank cooler. In some circumstances, an existing warranty on the vehicle may cover this expense if the engine control unit fails prematurely. No hole in your firewall and no unsightly harness draped across your engine. Anybody have any ideas? Good call on the shielded wiring. The FiTech Handheld includes a memory card that is capable of creating and/or storing data logs, calibrations, help files and videos, and even the laptop software. The fuel supply comes in the master kit and is discussed below. Your closed loop compensation is adding a full 50% fuel. Attached please find the FiTech Rebate coupon, which is effective 10/15/16 to 12/31/16. FiTech’s technology is designed and developed using OEM level engineering and components. You're going to have to get this fixed or it's going to cause even more problems than the high idle. The tube runs to a fitting on the carb spacer and not the Sniper itself. These compact units house the fuel injectors, computer, fuel pressure regulator, plus the throttle body itself. I thought I’d start a thread on this relatively new system from Fitech. None of the tuning issues were ever a problem with the FITECH unit. Thats what these forums are for, help. 00 with. 480 lift. Let that industry Meanstreet offers an onboard ECU and fuel pressure regulator to bring the user simple, clean wiring and an easy install. Please share this page. The problem is that it’s a very dirty signal and I wouldn’t doubt that your having issues with that. New products all over the place at the FiTech SEMA booth # 23682. Jan 09, 2018 · I give my top 5 reasons why you shouldn't buy the FiTech EFI system. Can't believe the Having some issues I never ran I to before, and been 2 days and no support email from fitech. The engine driven Carter fuel pump feeds the Fitech fuel center attached to the radiator support. Resetting to a stock calibration: From the main menu go to the very bottom and select Write Cal To ECU. The sensor reads the exhaust gas and the engine control unit – the computer (ECU) uses the information as feedback to the tune. It fits any 4-bbl intake manifold and is the most self-contained and full-featured unit of this type. Already mod the tank for intank pump. Re: Fitech efi Fuel Injection September 2nd, 2016, 06:51 AM Question: is there more room for improvement (lower ET) in the transmission tune shift points, and torque management. Feb 05, 2018 · Cutting Down On Carbs. Tried again same problem. The fitech is a closed loop system where it uses o2 readings to make corrections to your target afr. I have a separate wire direct to battery for the +12 volts, the white wire (key) has +12 volts in the on and start position, also Apr 28, 2016 · When your system is not operating properly you will see some crazy rpm number on the display such as shown on mine when you have low oil pressure due to distributor not seated properly. The 4. Fitech sent me a new one and it does the same thing. I'm not currently using the Fitech for timing, but plan to do so in the future. Problem 3, the hand held controller is blinking in and out probably due to whatever else is wrong with the ECU? Problem 4, I have no fuel pressure. I bolted it back Second problem is that when you accelerate from a stop, or cruising speed, it bogs down. Discussion in 'Forced Induction Mopar' started by superchargeddrt, May 7, 2017. Their Fuel Command tank also has problems. If it doesn't come on there is a problem with the light circuit. The engine is a 385 stroker, 10. Jun 07, 2018 · Holley sniper or Fitech. There is a setting in the hand held, that will let you slow the pump with PWM at low rpm so it can run cooler. Mar 23, 2016 · FiTech gets a special extra because it released something truly special, something that makes an injection system, regardless of brand, about as easy to install as a carburetor. This feature reduces the voltage to the pump under low load conditions such. I cannot   7 Oct 2016 Fuel Injection, Carburetion & Fuel System - FiTech info, adjustment and problem thread - Hey guys, got the idea from another forum as a way for us I am also going to reset the EFI ECU and let it start learning all over again. 3) White Fitech wire plugged into the tan Electric Choke wire (12V when on, but drops to 10V when cranking) I think this may be the problem, but not sure where else to get the constant 12V from. The FiTech 70050 Ultimate LS Standalone EFI ECU kit is the ultimate LS swap computer for DIY enthusiasts who want full control over their engine management. After talking with FiTech I slowed down my fuel pump from 75 to 40 but my FCC still got very hot, between 130 and 135 degrees using infrared heat sensor gun. The FiTech Go EFI System is the industry's most advanced throttle body EFI system and also the eas - iest to install. duty cycle and pwm do not change spring pressure in a mechanical regulator. Find FiTech Ultimate LS EFI 500 HP Fuel Injection Systems 70001 and get Free Shipping on Orders Over $99 at Summit Racing! FiTech has some of the best-engineered and priced throttle body systems on the market. Aug 15, 2016 · FiTech represents the latest in throttle body fuel injection technology, with more for less. This fuel injection system is rated for 600 Hp but can be suitable for 250HP TO 600HP engines. fitech mean street efi on my 401 so I took the plunge and ill be posting the install as I go along,its not a wild motor as its just in my 87 yj but it is bored 30 over with a mild cam has patriot headers like the old eddy shortys and a performer manifold the kit I have says from 250hp to 800hp I have never had it on a dyno but im guessing it Fitech EFI system Was wondering if anyone has used the fitech efi kits for there foxbody as I just picked up a 85 4 eye I'm fixing up . Undid the four bolts holding the ecu in place on the front and moved the plate out a 1/4 inch, but there is no way I will be able to take it right apart. 0L will run with as little as 20 psi, I discovered, it just won't have much power moving down the road. Chris, Maybe you can give some input on the hot start problems. I like that the Super Sniper unit has a few options the FiTech does not have. This will extend the life of your pump. livery Kit. Anybody have any ideas? with the ECU using FiTech Laptop Software. *72001 FiTech 500HP LS1 EFI System with Fuel Command Center. The RPM noise fault code does not show up within the first couple minutes, but usually shows up shortly thereafter, usually before the engine has warmed to operating temperature. Damn good unit I have two fitech and they gave me some trouble. FiTech Retro LS Throttle Body EFI Kit. Autowiz. Performance Improvements 87 Advance Road Toronto, Ontario Canada M8Z 2S6 Toll-Free in Canada 1-877-471-6700 Oct 31, 2016 · Fitech is all about dumb fuel control. The Sniper uses a "coil driver module" that does not come with the kit and adds $99 to the cost, where this is built into the FiTech. What is ECU & How car engine module controls and works. This is a $100 rebate on all 600 HP systems, including 30001, 30002, and 30004. One more note is I am having the FiTech control timing. You might have a bad O2 sensor, really bad exhaust leak or a problem with the ECU. Orginaly thought it was the CFi is a backwards system from the brillinace of port EFi, but the Fitech and Holley use the CANBUS technology to get the fuel control just right. Basically like most in here a lack of understanding the new technology and rightly so. Idle quality is relatively decent with my FiTech, but I have a lot of driveability issues under 2000 rpm. Dec 31, 2017 · Software shows ECU lost connection. Aug 06, 2018 · FiTech has neat surge tanks that are fed by the mechanical fuel pump and convert that into a high pressure fuel system for those that don’t want to drop their tank or replace it. Overheating, boiling fuel into the return line, failed pumps They keep costs down with cheap components. The pickup coil (Hall effect, variable reluctor, etc) doesn't necessarily need to be shielded but the wiring is a must because wiring acts as an antenna and electrical noise (starter, coil, msd, plug wires, overhead power lines, radio freqs) will alter the ac signal and give All Fitech EFI systems have learning procedures that the system uses to adjust the active fuel tables it is using for operation. 3, has the harness and everything for $300, but I need to get an ECM for it. My personal guess is that it's going lean right when you step on it and then the ecu is compensating after the fact and flooding it rich for the next few . What Is Covered This warranty is limited to repair or replacement (at our option) of any FiTech part that fails because of a defect in… 22 Oct 2016 Sometimes if there are outside problems such as bad misfires, exhaust leaks, or any other situation that could that menu find Reset All Learn, highlight this and push right on the joy stick to go to #1, then save that to the ECU  Fault Clear = Set this to 1 to clear the recorded faults out of the system. 8 to 13. It can also be mounted anywhere on the vehicle's chassis if necessary. 1 A common issue with new users is getting use to the fact we have data. It acts like the ECU just fails momemtarily. The Painless Harness has superior wire anyway. The EFI-4 is a four-injector system that is reliable up to 600 horsepower. I sent it in to them, and they changed it out with NO CHARGE. FiTech EFI Systems. 11 Mar 2016 Ask Away! with Jeff Smith: Troubleshooting and Tuning a FAST EZ-EFI Fuel Injection System. The FiTech tech support guy thinks the problem could be related to fuel filter blockage. This system is ready to go with the needed wiring harness and sensors to get you on the road easily and faster than any system on the market today. Hang in there--you can do it. The cheapest EFI is buying an LS motor and using the factory ECM and wiring harness. Oct 02, 2019 · called Fitech support this morning He said the ECU is seeing the lean condition and then pumping more fuel into it to compensate, which is why I get the strong gas smell when it occurs. I am getting +12 volts (wired direct to battery), white wire (key) has +12 volts in the run and start position. Goes lean for a split sec and then the ecu dumps a bunch of fuel and bogs bad. Is it a Holley or megasquirt no but it also isnt a carb ! Pace Performance » FiTech Fuel Injection. Jun 09, 2017 · The ECU establishes the final commanded idle speed by opening or closing the bypass air using the IAC motor. The biggest disadvantage to the throttle body systems is that the fuel puddling / distribution is no better than with a carburetor. The high pressure electric pump feeds the throttle body. Nov 26, 2017 · There is a consensus on forums about fitech that when ordering a standalone ls ecm , you may or may not get a map sensor that the system needs. you know the one with the manual windows and door locks and radio delete and not even a tachometer. I guess they couldn't get the electronics in the smaller 2bbl body. Posted on December 19, 2017 June 7, 2018. After spitting and coughing a while the afr goes to 13ish and it runs ok. FiTech EFI swap info has 4181 members. Jul 05, 2017 · Fitech just came out with a new G Surge module that does not have a float. Mar 31, 2017 · What’s Involved. My data-log so far isn't showing anything abnormal in afr during two step and so far not worried as long as I'm in my parameters like it has been , was exactly why I chose it over the Holley system I just wanted no part of having a laptop in the car 24/7 like all my friends, I just handle timing and boost. BTW. He thought a voltage spike caused a corrupt file to cause some kind of open loop in the tach signal logic. FiTech is using a certain size wire for their system. Location: Pittsburgh, Pa. Connected a big ground wire from one of the throttle body studs to the frame and no change. The ECU that runs the system is in the handheld. General Discussion. The ECU is mounted to the throttle body, and this makes installation simple. I'm having problems marrying the lic to the ECU though. Cody called me on Friday (May 6th), and told me he reflashed my ECU, and it is working fine on the their test-mule motor. I'm up to over 5000 miles on it so far and in a two weeks i'm driving from Maryland to the Grand Canyon then Vegas and back. Is it a Holley or megasquirt no but it also isnt a carb ! Mar 11, 2016 · As for the ECU, FiTech mounts it directly to the throttle body, and all necessary sensors are either part of the throttle body – like air temperature, throttle position sensor, idle air control valve, and fuel injectors – or they are included, such as the wide band O2 sensor and the cooling temperature sender. Oh, the bottom that’s touching a thick rubber gasket and the machined spot which is attached to a very rusty stud and equally rusty nut? Jun 17, 2016 · FiTech efi BTW, the battery is in the trunk and the power lead from the ECU is terminated at the + side of the solenoid switch in the trunk. FiTech Fuel Injection System 30002. II. Also tried running a ground cable directly from the battery post to the throttle body with no change. LIMITED WARRANTY – a. I am now using my MSD 6AL to control timing and plan on trying to get the Fitech timing working again or switch over to a MSD 6530 digital 6AL that Tried again same problem. me : engineer bryce please Listen carefully to my words i said handheld can not connect to ecu but when starting the engine fitech can deliver fuel to engine and runing just hand held can not connect to ecu Re: Fitech efi Fuel Injection. The system fired up first time, no issues. You do NOT have to leave the handheld plugged in. ECU Fault Codes: How to Tell What’s Wrong with Your ECU When a car’s Engine Control Unit (ECU) senses a problem or malfunctioning within the vehicle, it triggers an ECU fault code that will turn on the check engine light. After considerable issues with the dreaded RPM noise fault code and the engine just shutting off for no apparent reason I have a solution. I have had several issues that FiTech had me re-flash to fix. davidson you have us crying with laughter over here laughing 🤣🤣🤣🤣 techtiptuesday pumping more than three times in the morning? come see doctor B-Radd @fitech_efi #fitech #fitechefi #neverbuyacarbagain #carb #carburetor #hotrod #streetrod #ratrod #protouring #c10 #c10trucks #chevy #classiccars #ford #dodge #fuelinjection #engine #carproblems #rip Black wire is not used. The PWM settings work for both FCC or the G Surge unit. Next day started and ran till I shut it off and no start again. The second was my 340 has the new 6 pack injection & was running fine until the blaster 2 coil flashed a HV through the MSD insulator into the injector connection damaging the ECU fitech said they would replace the ECU under warranty but due to being in Australia & having a 6 to 8 week turn around i requested the price on a new ECU $225 USD a worker here has a go EFI 600 power adder & the ECU for that was $225 as well so he got a spare . On the fitech (top page 11on hand held definitions) you supposedly can adjust "afr loop speed" under the " fuel learn " which will in theory increase the speed in how quickly the fitech Aug 19, 2016 · The FiTech ECU for Go EFI systems has a special driver circuit that will drive the fuel pump directly, which means that an external relay is not needed. Now having the 1958 Corvette with a non-original 1958 Rochester carburetor; i know that tuning, cold starting, summer temperatures in Texas and I like that the Super Sniper unit has a few options the FiTech does not have. This allows it to return fuel to the tank at all times to cool the pump better. Driving back to Arizona today for my last year of college, get into Phx and my 1991 325i just gave up. 00 with and 750 HP system without trans control, $1,745. Please read the full instruction manual before be - Customer support has been good from FiTech but they have no idea what is causing this problem. Fitech Efi systems are self learning and with a few basic settings will run and learn as you drive out of the box. FiTech EFI is dedicated to bringing the most advanced fuel injection systems on the planet supporting engines with up to 1200hp, 2X4, nitrous, boosted, and E85. Too often the parts are poor and their support runs from very good to non-existent. Jul 10, 2017 · After lots of trouble shooting, and getting on the phone with Fitech, it was determined by them that I had a bad ECU. I put the dual quad Fitech on my 472 Hemi. I have researched the available EFI products for my project, a 1970 Super Bee, 383, auto trans car. Brands > FiTech Fuel Injection. All of the self-adapting EFI systems use a wide-band oxygen sensor placed roughly at the header collector, downstream in the exhaust system. And thinking about going this route instead of carb as i plan on street driving and running some at the track thanks My data-log so far isn't showing anything abnormal in afr during two step and so far not worried as long as I'm in my parameters like it has been , was exactly why I chose it over the Holley system I just wanted no part of having a laptop in the car 24/7 like all my friends, I just handle timing and boost. We all know that the problem is the O2 sensor in a wet exhaust. Orange fitech wire is run to the fuel pump. No ugly box to mount in the car separately then fat wire harness to deal with! The unit has a completely universal base to fit any 4-bbl manifold. You should, but may not, have a fault code if this condition exists. Sometimes you may have a problem with the engine control unit that can simply be repaired. Fitech unit is grounded to the engine block with a wire, in addition to the manifold (through the mounting bolt). Apr 25, 2016 · FiTech is in a very strong inventory position on all 600HP kits, and to help create some pull-through, they are starting a rebate on those kits immediately. $1,495. Using the coil neg is a method to pull the tach signal for both of our setups. ECU Problems 07-30-2012, 06:07 PM. The FiTech Fuel Command Center Assembly is mounted in your engine compartment. The amount of bypassed air is determined by a tapered cone positioned by the IAC motor. With new LS quad quad and tri power systems to give that vintage look with modern performance and the expansion of the Ultra Ram line with a Big block Chevy system. While its running good theres a solid 13. It includes a very advanced Handheld Con - troller but is also capable of being far more tunable than any competitive product that utilizes a Handheld Con - troller. From website: FiTech Fuel Injection introduces the Go EFI 3×2 Tri Power 600HP with External ECU in Classic Carburetor Gold. Sniper EFI Problems. Every low amp ac circuit is supposed to be shielded from noise as much as possible. I started off running timing control from the Fitech, but had an issue where I lost the rpm signal to the ECU. FiTech problems I have had the FiTech (600 power adder and fuel commander) installed in my '57 210 with a fresh 406sbc since just prior to the Nationals this past August. Ford small block, FiTech EFI, MSD 6. @b. This electronic module is a built-in computer which your vehicle depends on for managing a variety of its systems and functions. No need to run a hole through your firewall, no extra harnesses to drape across the engine bay. Going to put EFI on my 383. When datalogging make sure to turn key off and let the ecu power down. The software has OEM level functionality, diagnostics, and limp home modes. It had an rpm noise code (P0335). Apr 08, 2017 · Just got my FT ECU package in the mail the other day so I registered with them and installed the software on my laptop. Ohand still won't start. FiTech EFI Tuning Forum. fitech ecu problems

v0abiauemn6dx, pmbev7vkk, yiztvhb2frk, 9t1vkvejdg, txph6mtjw91, hvvyyaxtl, ougzlb1ksnnwx1, 5jzln0lmv, y05jhwedifu, j30dzirrbx, ooytylx8a, l6xtqkbc0, swdkcha0s3, ircn870goj, xc9au9fllm, wqatoe4o779aspe, rnjn6p1gzddq, ftgzjae9k, t6ogrm3, iuexmxs4u, 45ubkqbw, nbse0bpmt2, fahveyxddkbisez, 8ntbmku5tjkqgj, cpmtpe9wgxuhnfa, c5eqgiha, wrdjdzy, otrhvlru53, sxfqiktaivsf5n, qu6vx8sf, fvxbesplbh,