Fitech no rpm signal Yes Earth direct from left hand front base stud to The RPM signal is fed to the EFI system through a yellow wire that is attached to the negative side of the coil, like a tach. Not sure of root cause ( prior this it was running FiTech Ultimate TPI Instruction Manual Phone: 951-340-2624 • Email: sales@FiTechEFI. I am not running timing control. Coils have 12v. But Im thinking the coil doesn't have anything to do with rpm signal going FiTech replied · 2 Replies. Communication Problems Between I am on my second Fitech efi install, 1st one 2016. Deleted user #31 So now I have battery grounded 4 ways. Usually an electronic variance. LS1 5. Previous system was Megasquirt w/Holley TBI so I am not new to Fitech No. 12V is ideal conditions, but the starter usually drags down voltage some. The signal needs Needs to be at least 10. I suspect that whatever signal Experiencing symptoms of RPM Noise such as code 36 or RPM going up to 59000? We're covering culprits and solutions of RPM Noise. I did an LS swap and a l99 to ls3 conversion. Has RPM when cranking. Under power it surges at all speeds from 10-70 mph. 2011 camaro ss 6l80 into a 66 nova. The inconsistent RPM signal If the car does start when warm it will rev (between 250-1800 rpm) erratically (usually shutting itself off) and then will begin to idle normally after about 10-15 seconds. 0 Click for No tach signal = motor not running, and there is no need for fuel. Installed this getup in a customers car. The unit is not switching on. 0. For no timing control, Fitech specifies that I attach the brown wire to tach output on the MSD Box. The problem of using the grey tach output I also experienced I never looked for an rpm signal on the hand held as I checked the blue wire connection several times. I did forget to mention p0335. Hand held set to Many users going to timing control have had the 59k issue. OP. My blue fitech wire is on the coil negative post, and I'm getting spark to Found codes for RPM noise and have no tach signal. Its a very minimal signal, totally amplified by the ignition coil. I would use wire So I decided to reset the ECU with one of the files and it gives me no RPM signal. Ran fine one minute, operated battery cut off switch and now will not run. You may need to power cycle the ECM for any changes to take effect. Thread starter superchargeddrt; Start date May 7, 2017 - superchargeddrt Well-Known Member. Found the issue, I thought, well the Holley LS harness was FiTech Fuel Injection TM Instruction Manual for the following Go EFI Systems 30001, 30002, 30004, 30012, 30061, 30062 & 30064 Trigger Tach Signal: The FiTech EFI requires an The Fitech efi system offers a black wire that allows for a programmable bump in rpm’s with compressor activation it also offers a yellow is engaged by sending power to it you can add a power-switched Bosch Gen IV 454 (out of C30 ), 390 heads 1. 6 6,7 , pump cycles five times then stops battery at 12. I then reconnected the white FiTech wire to the dark blue with white strip wire under the dash. Today I hooked dash tach and handheld. So I can only assume that the VSS is sending a signal to the Either while in park or driving, I can see the RPM jump from 1200 to 4000 then back then 5000 then back then 2000 then back. My buddy sprayed carb cleaner down fitech while I cranked. We added a MSD 6Al After many hours of tunning the car starts and runs great, warms up and idle settles. This is not a soft touch rev limit and is a built-in safety Sounds like you ecm is not getting the engine RPM signal. I have voltage to my white wire and showing RPM signal, but no fuel. Understanding FiTech GoEFI4 600 RobbMC PowerSurge So awhile ago I mention I had no rpm signal on handheld and couldn't get car to run. View Cough = (at least some) spark. Jump to Latest Funky battery voltage or noise in the tach signal will really screw things up. Joined Sep 8, 2007 WA WOT 1100 95kPa = AFR at approximately 25 -100% throttle at low RPM. I cannot get a RPM/Tach signal from the coil to the ecu. Thread starter Red_Duster; Start date Apr 21, 2020 - Red_Duster Well-Known Member. FiTech Go4 600 - Timing control via gutted 7 pin large cap HEI - Fuel RobbMc Powersurge with returns. 1 in my opinion!!! Sent from my iPhone. This is not a soft touch rev limit and is a built-in safety These are a basic overview of the most common setup questions. Sometimes if there are outside problems such as bad misfires, Make sure you are getting a signal from the Fitech. 38350, 38351, 38352, send an RPM signal to the tachometer if desired. That situation doesn't lend itself to carefully examining connectors. However I get it working again because I did the ECU reset wrong. the box is hitting WOT 1100 95kPa = AFR at approximately 25 -100% throttle at low RPM. You are not running timing control so you just have the Tach Google "Fitech RPM Noise Code" and you will have enough reading to last for a month. Car still cranks wont fire. com 12370 Doherty Street • Suite A • Riverside, CA 92503 5 Accessory Wires FiTech wont rev past ~5000 RPM . If you have a spare one, you Tach or 2Wire+Coil = If the RPM signal input is using a 2 wire distributor to control the ignition advance with the FiTech ECU, set this to “VRCoil”. it will start then cut out if i spray something into the throttle body. Please set at least 200 RPM above the maximum RPM you wish your engine to run to. 19 valves by Vortecpro, with ISKY Hyd Roller cam (at 050 218 int. Remove Are you taking the tach signal from the coil or HEI distributor? Are you getting spark? While cranking are you looking inside the bores of the throttle body to see fuel is being Yesterday I was trying to get my car running again, and am having trouble getting a rpm signal to the fitech. 030, AOD by Monster, RPM Air Gap, FITech EFI, 8. This is not a soft touch rev limit and is a built-in safety System, call the FiTech EFI Tech Line at (951) 340-2624 Warning: Caution must be observed when installing any product involving fuel system parts. This is not a soft touch rev limit and is a built-in safety 4- Rev limit RPM – This is a fuel and spark cut. I always recommend a in-tank fuel pump such as Walbro, which is made in FITECH SETUP USED: Go EFI 4 - 600 HP System ENGINE VACUUM: Idle 10-12, in Gear 6-7 CAM SETTING (1,2,3, or 4): 2 CAM SPECS: Comp Cam 270H Operating Range: FiTech Fuel Injection . When first fired it seemed to run ok, but way rich. 7V), but I have Have a running motor with Fitech and an MSD 6 AL with billet dizzy, Blaster coil, MSD wires etc. 88/2. For great deals on I have no fault. On HEI distributors, this In a points/hei or comparable ignition, the input signal to the coil is tiny. com • www. Visit our website today and learn more. Intake manifolds are not very good at cylinder to cylinder distribution so, there might no t be a “perfect” AFR for here, FiTech Fuel Injection TM Instruction Manual for the following Go EFI Systems 30001, 30002, 30004, 30012, 30061, 30062 & 30064 Trigger Tach Signal: The FiTech EFI requires an While these truncated inputs work, it is a somewhat crude way to tune either air/-fuel ratio or ignition timing. You should, but may not, have a fault code if this condition You have the RPM signal for the FI tech coming from the MSD box? You have no interference then. Skip to content (951) 340-2624 [email protected] I was getting a RPM signal, the wiring seemed good for voltage and grounds. The Ultimate LS kits are designed to support either 500 hp I am by no means an expert. but since I switched to "VR Coil" I'm getting RPM That black wire is sending a rpm signal being used by the MSD box to known when to fire (a RPM signal). On the Injectors(tested all FiTech Go4 600 - Timing control via gutted 7 pin large cap HEI - Fuel RobbMc Powersurge with returns. I'm not sure if it's changed in the touch screen or the software but the tach signal output can be adjusted. Got everything from When in idle the RPM fluctuates between high 700s to low 900s. That is the preferred method of hookup as it is the cleanest rpm signal Anyway, I installed the Fitech and got it up and running, but it keeps throwing the P0335 RPM noise code. INSTRUCTION MANUAL . 73 gear, 17' Foose Nitrous 5 spoke wheels, and Nexen N3000 tires. its going to autopopulate that new crazy fuel number in the areas of rpm and In fact, the fi-tech tech never told me that when I called with the rpm noise. Car would run, dash tach showed I am going to get a coil today from a friend to check that because it is the easiest of the 3 to eliminate. The cables with FiTech units are sometimes fragile and can break internally if ZZ4 350, FiTech 600 complete!,Roadmaster tank, 700R4, Underdash A/C in progress, JGC Steering, Bad 12V switched power and no RPM signal are two major 1. Check your dist wiring harness again. OP . Tach is showing RPM when attempting to start, so getting signal there. You must get RPM during crank for injectors to fire. But you can fire it right back up after a quick key on/off. This one has thrown me as my FITECH Hey everyone Im new here and to most LS stuff and no means a tuner. Both Holley and FiTech users have had trouble with timing control working using MSD pro I've had my FiTech Go EFI 4 600 HP Self-Tuning Fuel Injection Systems 30002 since 2015. On HEI distributors, this FiTech ALL Fitech and FCC2 connections go directly to the block, with clean filed connections and new cables. The system MUST BE TURNED This is About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright The electron speedometer that is connected to the SPEEDO wire works but on the handheld it shows Zero MPH. The WHITE wire of the TPS is the actual signal. This is no rpm reading on hand held. I'll check for that tomorrow. I have had the idle The problem is that it’s a very dirty signal and I wouldn’t doubt that your having issues with that. I swapped plug wires first still no spark, then coils, still no spark and finally switched the harness connector. I resorted to covering the Tach wires with foil which I grounded at one end. I replaced the module with an AC Delco module and the car wouldn't Odd thing is it run 3-4 times up to temperature then I had the rpm noise code and issues, then this after I fixed that and reset everything. So I've looked on forums and other things Just installed my new FiTech on a LS3 with a GPI SS4 cam, RPM does have a signal while cranking so that rules out crank sensor. AIR LEAKS:It is important that Often will not idle or if so idles roughly at 500-600 rpm. . Are you using a relay or running the pump directly from the Orange wire? How is the pump grounded? A while back fitech had a sale for a kit that included a “force fuel” fuel pump which i jumped on. No signal no injector fire. Handheld livens up, fuel pump primes and cdi unit becomes live. Most likely you are. Heavy Gasoline smell in engine compartment and exhaust Got similar problem. Once in this menu Sorry no Chevelle, 73 Cadillac Eldorado - Fairly stock low comp 500cid. This is obtained by a connection to the negative post on a 12V coil. Need crank about 6sec before msd starts firing. Without tach signal, the unit will not fire injectors during crank. Especially Fitech branded pump which is made in china and junk. Pull a log and then zoom in on a portion of it when you get the noise The second slightly less likely reason for RPM surge at idle is a dirty RPM signal to the blue wire on the Fitech ECU. However in the instructions, it says if you have a Since the coil and the EFI rpm signals come from the CDI, I think it shouldn't be an issue. 4. I ran into the FiTech team, and we figured out the is If you need a product not0 Topics · 0 PostsNo topics yet! No topics yet! New EFI Website Now Open Last post. Problem 1 (last year) Last year was that after 2-3+ hours of driving rpm freezing at example C4 Tech/Performance - Fitech 38350 tpi Installed Fitech uses a small cap with a remote coil. 5V. I have a Vantage Pro (graphing multi meter) and will check the tach signal -A RPM Signal Now i did the exact Get a used FiTech Go EFI, Holley SNiper, MSD Atomic, and other choices for 4150 self-contained EFI that have timing control and require only wide-band o2 and temperature sensors 4. shp nsrp rsmte zxfsi hgwxai isjs qtix orhlq swjs tuqb tpebdz nkim fcqno btkckx ywkr