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Fitech idle surge

fitech idle surge Why is the engine bogging under acceleration? I recently managed to get the moped running properly, albeit for only a short time. • Throttle position sensor. i tried the corvette filter and external pump but the filter/regulator isn't keeping the pressure where i need it and when i was around an 1/8 tank i am getting a surge. Fitech Go Efi 4 Fuel System Kit Wg-surge Tank, 600 Hp, Power Add . Do the same thing with the other mixture screw. 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. 4. With the secondary throttle stop set, the idle mixture screws should be more responsive. If you experienced the second result, you probably have too much Base Running Airflow added (Airflow Final Minimum table). , as examples) typically feature a dedicated high-pressure oil system that operates the fuel injectors. 0L engines are very susceptible to an idle instability when an open-element air filter is attached to the end of the mass airflow (MAF) meter. Ram Tubes - Adaptors - Surge Tanks . Once the idle is calibrated, further adjustment can be done directly through the hand-held display. If still too low adjust idle up with stop screw. This is to keep the actual AFR close to the target – because the fuel film causes a transport delay of the fuel from the throttle body to the cylinder. Half throttle is better than full throttle used to be. 5 AFR - target with GREEN mode When you start your vehicle we refer to this as being in IDLE condition. 00 Fitech Fuel Injection System Kit 33061 G-surge And Go-efi 2x4 625 Hp Tbi Satin if you like timing flutter, irregular ruff idle, surging when at a constant rpm and just flat out shortening the life of your engine then keep it the same way! Note: Our Crank Trigger kit will work with power pulleys, and most The FiTech wideband 02 and Annular Swirl Wet Flow technology to get the most complete atomization available, bringing the user more power than ever. Featuring chev iac fitech available for buying here. Our certified technicians can come to you and diagnose the problem. Lots of cranking to get it fired. Is that How to tune in A/F value’s Fine tuning Air fuel Value's for Gasoline Engines. fuelairspark. Here are some known issues 1. 3l-r2. I talked to tech support about adding more fuel on startup but haven't actually adjusted of tested that method yet. FORD4X4250 Just in case it is a coincidence, here is a list of issues that cause cause rough idle, stalling Re: FAST EFI Installation on 200 Inline 6 Post by hotrodguy » Sun Apr 10, 2016 9:34 pm A 4 into 2 adapter plate, will work , also the FI system will slow down the fuel at lower rpms . Find FiTech 400HP Go Street EFI System 30003 at LSXceleration with Free shipping on qualifying orders! BBK throttle bodies are designed to replace the OEM units and utilize all of the same components and functions. Enable the Idle Spark Control and set it to 20-P Term and 40-D Term. Find FiTech Go Street EFI 400 HP Self-Tuning Fuel Injection Systems with G-Surge Modules 33003 and get Free Shipping on Orders Over $99 at Summit Racing! If you've ever driven or watched rock crawling events, you know the importance of having fuel, even when your vehicle is on its side. Universal throttle body fuel injection kits available. everything was good and all of a sudden it just started surging at idle 300 to 1200 rpm. Spark plugs that are improperly installed can also cause high or surging idle. • 1 adjustable ECU controlled electric cooling fan control switch. The truck starts fine, but it doesnt idle well, it surges; hot or cold. FiTech Introduces the Do any of you know if FITECH provides any info regarding how aggressive of a cam they can support? I ask because on another forum I read, someone ended up returning the FITECH system to them after their own tech support stated that his engine was modified beyond the FITECH's capability to properly control it. Using FiTech’s proprietary self-tuning techology, 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. Find out more here. Next problem is getting the logging feature to work. This allows it to return fuel to the tank at all times to cool the pump better. Erratic Idle issues with 8 Stack Hilborn. I have been hooking the canister to the ported vacuum port on the back of the FiTech. If foot is place to gas in a sudden mannor it bogs sometimes pops and stumbles. Idle settings. Installing the throttle body was as simple as could be. For the surge tank the oem vapour canister bracket was re purposed. 0L, etc. FiTech recognizes that not everyone needs or has a wild camshaft. It's also nice having the fan control and associated stepped idle speed as I have a Lincoln Mark VIII fan installed as well. The bad idle and flashing light came at different times for me, but I fixed both problems. the Idle will sometimes drop to 500 RPM when I let off the gas but recover and idle fine. So responsive it's insane. Fitech's latest addition to the line of Go EFI Throttle Body EFI Systems is the GoStreet EFI 400 HP four injector Throttle Body System. • Built in fuel pressure regulator. (11-24-2017, 04:02 PM) Mjordan Wrote: I'm looking into the fitech as well with FCC. EX274h cam is this typical for the idle to surge 300-400 rpms? Also is there an official idle speed I should set to? SBC 406 HEI vacuum advance, Hi☺️ its not so easy to see from The pictures but i have 1 8an from surge tank and tru The fpr and into y-block and 2 6an into The fitech. 5% CO. The system is pre-programmed to achieve target air/fuel ratios of 13. The real proof was when FiTech had the car on the dyno and ran it. Find FiTech 800HP MeanStreet EFI System 30008 Black at LSXceleration with Free shipping on qualifying orders! FiTech 33001 Go EFI 4 System Master kit w/ G-Surge Tank Module Canada Performance Improvements Prices in Canadian, Free Shipping, No Duties, 365 Day Return. Leak at throttle valve housing. For technical assistance with your Ultimate LS System, call 951-340-2624 or go online to www. 5 to 14:1. The throttle-body adapters make it a snap to run a drive-by-wire throttle body, and the dual-sync distributors are perfect for sequentially injected applications. I expect it to start right up just like any factory efi. This means starting with engine displacement, idle rpm, rev limit, fuel pressure, and resetting the throttle position sensor (TPS) calibration. 92 Deville 4. I wouldn't hesitate to buy another of their systems. Things were looking up: I replaced the spark plug, cleaned out the exhaust, adjusted the idle / fuel screws, and even replaced the brakes (I can stop now!). First let's cover the "basics" in terms of the possible causes of engine surging/hunting, where engine speed suddenly (or slowly) changes. It will reduce engine efficiency, causing a loss of power and fuel economy and rough operation, especially at idle. Replace gasket between throttle valve housing and intake distributor, possibly reposition. Hook up a vacuum gauge and a low-speed tachometer that will indicate changes of less than 100 rpm. Most general-purpose aftermarket performance carburetors are designed to deliver around a 12. Idle Valve 95 01 FITech Fuel The G-surge is also the best way to provide the necessary increase in fuel volume when adding a power adder, such as boost or nitrous to your engine. Check EFI Hardware 6 cylinder fuel injection kits available for most popular auto brands. • 8 high flow 800hp injectors. I think the Sniper is a better unit, but I haven't used one yet. We threw the old Holley 750 double pumper and installed the FiTech. Fuel Pump Surge Module 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. If you get more then 350hp out of it I'll be surprised (from the stock bottom end that is), but if you do the factory TBI won't support it. FiTech EFI continues to bring the highest quality products to the market at the most competitive prices. Fuel Injection Idle Air Control Valve (3) G-Surge & Go-EFI 2x4 (2) FiTech Fuel Injection System Kit 31004; Inline Pump & Go-EFI 4 Power Adder Idle to high when cold, and goes up and down! Prelude Car Forums The idle air control valve, or "IAC" is a stepper motor which regulates the amount of air entering the engine during idle and other times during the engine operation (such as deceleration). Air-conditioning idle speed input kick up. 10 Responses to “Operation ENDURING BROWN: To Kill a Unicorn; The FITech EFI Installation Horror Picture Show” Karl Says: June 29th, 2017 at 14:12 Mustang 5. Diesel surge Diesel engines (we’ll cite Ford’s 7. We design and engineer automotive fuel injection products for I now have my distributor hooked up with full timing control. Starting with one idle mixture screw, turn it until you get the highest manifold vacuum reading on the gauge. The high pressure side typically runs at about 500 psi at idle, 1,200 psi at about 3,300 rpm and about 3,600 psi under full-load acceleration. Fuel Injection Made Easy With FiTech EFI! cam size, and idle speed. This section will need to be discussed in two parts. A dirty or damaged fuel injector could also be the cause. Typically this is due to poor fuel tank baffling in the existing fuel tank. There are actually two idle settings on most fuel injection engines: minimum idle running idle. Carb Swap Kit includes FiTech 30005 and 40007 G-Surge Tank. Details about FiTech Go EFI 4 Fuel System Kit w/G-Surge Tank, 600 HP, Black Helping our customers build their dreams since 1952! Be the first to write a review . This feature reduces the voltage to the pump under low load conditions such as idle and cruise thus reducing noise and heat. Raymond 73 , Dec 13, 2017 #14 The Idle Air Control (IAC) motor is a stepper motor located in the throttle body that controls the idle speed of the engine by metering air. Cars need maintenance, there's no question about that. To do so you need to go to Go EFI Tuning, then find and select Idle Control. Proud supporter of Hesitation and backfiring on sudden acelleration when warm. carid. FiTech MeanStreet 800HP Features: • Blacked out diecast throttle body. 99. IDLE CONTROL on FiTech Fuel Injection | An Idle Air Control (IAC) stepper motor valve is used to open or close a passage in small increments (called “Steps”)… Fitech sent me a new one and it does the same thing. You may have to register before you can post: click the register link above to proceed. With the tweaks finished, we primed the fuel system a few times. That is all computer controlled. C3 Tech/Performance - Required vacuum @ idle for FiTech's Go EFI 4 System - I'm trying to pick a camshaft for an engine build. After installing EZ-EFI, the hand-held controller asks for some very basic engine specs, such as displacement, desired idle speed, and fuel pressure. So, I'm not sure I completely understand the issue. Find FiTech Go EFI 4 600 HP Self-Tuning Fuel Injection Systems with G-Surge Modules 33002 and get Free Shipping on Orders Over $99 at Summit Racing! FiTech Go EFI 4 600 hp self-tuning fuel injection systems with G-Surge modules are for off-roaders, racers, and extreme enthusiasts. Now for the erratic idle, providing that isn't anything to do with throttle linkage binding and pulling open a little it will have to be with the IAC in the throttle body. Compression ratio with boost Air/Fuel Ratio tuning:Rich vs Lean For further in-depth calculations of pressure ratio, mass flow, and turbocharger selection, please read Turbo Systems Expert tutorial. The clamp style o2 bung was leaking so i welded one in and no change. Idle Surging! If this is your first visit, be sure to check out the FAQ by clicking the link above. Throttle linkages are identical so it went in no problems at all. If your stock system utilizes that particular port, then it is recommended that you not block it off, as it could adversely affect your performance and idle quality. What would be the downfall on running it? How loud is the inline pump? I can barely hear my pump when I turn the ignition to on let alone while driving. I have the Fitech Power Adder 600 installed on my 1972 F-100 with 428. FiTech 30002 Go EFI 4 600 HP Kit Features • First Class Tech Support • Self Learning ECU • Fits any 4150 flange 4-bbl intake manifold • Throttle linkage accepts most original accelerator cables & linkage and suits most transmissions kick-down cables. Contributed By: Enginebasics. Idle Air Control Valve Wve By Ntk 2h1405 Fits 93-95 Mazda Rx-7 1. If the pressure is too low, the engine does not start. In this topic, Solving Idle Problems, is a recap of the entire series of topics for What to Do When you have engine idle issues. [GMCnet] FiTech EFI looks like the real deal Forum Search: The surge tank (they call it “Command Center”) is especially nice looking. Fitech just came out with a new G Surge module that does not have a float. Back To Product Details Back To FiTech Home The primary and secondary butterflies have individual adjustments which allow you to optimize the Idle Air Control. The touch display is pretty nice. it does fluctuate between 14 and 12 (in time with the rough idle on the engine). Since the G-surge is constantly circulating fuel your fuel pumps stay cooler and have a longer life. running in a flash. (Kicks up Idle) FiTech FiTech Throttle Body Go EFI 4 Installed in Project Trans Am FiTech Go EFI 4 installed in a 1981 (to 1978 conversion) Trans Am was a success. Second opinion] I have a FITECH 30001 on a 327 350hp L79 engine with a tanksinc 255 pump in tank. • Includes O2 sensor and clamp-on style bung flange, no welding required. I have tried using those and while it worked I was concerned with the idle integrity. Find FiTech 400HP Go Street EFI System 30003 at LSXceleration with Free shipping on qualifying orders! FAQs about Fuel Injector Idleing System. 383 with fitech Discussion in 'Engine Performance + Maintenance' started by 91stepside33s, Jun 3, 2018. Hi☺️ its not so easy to see from The pictures but i have 1 8an from surge tank and tru The fpr and into y-block and 2 6an into The fitech. 6:1 ANY ADJUSTED PARAMETERS & WHY:-Added 15 to LOOP rate up and LOOP rate down IAC settings (IDLE CONTROL), which (when revved, or warm started) allows and helps get a quicker return down to my commanded idle rpm. Idle Valve 95 01 FITech Fuel Curing Rough Idle. 1989 Ford F-250 efi 460 motor runs rough / misfire. you often idle a lot, which places tremendous heat on the engine. Initial setup is quick and easy. Fitech Go Efi 4 Fuel System Kit Wg-surge Tank, 600 Hp, Power Add Genuine Toyota Fuel Injection Idle Air Control Valve Oem 2227022041 . Open throttle blades so the IAC is between 0% & 6% open when idling hot. If the valve fails or has any issues it can cause the idle speed to be thrown off. FiTech 33001 Go EFI 4 System Master kit w/ G-Surge Tank Module Canada Performance Improvements Prices in Canadian, Free Shipping, No Duties, 365 Day Return. I'm planning to use the FiTech Go EFI 4 System for up to 600HP. com. I will post some pics of the rest of my progress soon. Click to expand The G-surge is also the best way to provide the necessary increase in fuel volume when adding a power adder, such as boost or nitrous to your engine. When you shift into gear and drive at a low mph we refer to this as being a LIGHT CRUISE. 2 stripped down and rebuilt but put on the Fitech Fuel Injection Idle Air Control Valve (3) FiTech Fuel Injection (49) Apply FiTech Fuel Injection filter ; G-Surge & Go-EFI 2x4 (2) Idle Air Control . I am very impressed with the FiTech 600 EFI system. Going from a 650 cfm carb to the FiTech 835 cfm throttle body has just made 46 year old motor rip. Using an external Aeromotive boost reference fp regulator. Check. And would show psi and not %. Very rough idle with a repetitive cycle that is smooth for a couple of seconds then misses badly, occasionally stall Rough idle, bad hesitation on acceleration, perfect idle with TPS disconnected - 1994 Toyota Previa Be sure to order this premium-quality FiTech Cast Finish 400HP Go Street EFI Master Kit with HyperFuel G-Surge Tank today from CJ Pony Parts! (kicks up idle It would have a surging idle, buck, start and die, anything that could go wrong went wrong and I spent a lot of time and $$ ironing out all the issues. 80 Any Adjustments: IAC is right now but I fought with it for a while; Decel IAC was adjusted to -37. What causes an engine to stall at idle but run fine over 1000 RPM? This correction can be measured throughout the RPM range and can often help idle surge especially with high flow injectors. Try this: 110° LSA needs to idle higher than you think. The user can also change the target air/fuel ratios if necessary. The G-surge is the best way to provide the necessary increase in volume when adding a power adder such as boost or nitrous to your engine. ~Default settings gave me a "hanging idle". Typically, this is due to poor fuel tank baffling in the existing fuel tank. It also had a stumble when accelerating when the car was already at speed. Ive looked at the efi kits like fitech, just to replace all the things that could be how does the car run when the fan comes on does the motor surge? i have yet to get mine running but got a 393w with a solid cam and duration @50 intake 249 exhaust 254 112 centerline. That success forced Holley to rush the Sniper to market and I suspect also lowered its price. When I give it throttle, the vacuum goes up to about 21" and stays steady (held it at 1500, 2000, and 3000 rpm and it stays about 21"). • Idle air control sensor. i am going to run mine 30 degrees locked i have a start retard with my digital 6 and msd distributor. You also get the standard features included in ALL of the Go EFI Systems: (4) Hi-Flow 600 HP injectors. thought I would share with the forum, i am testing a throttle body fuel injection system in my 400 this weekend. Fitech runs rich at idle keyword after analyzing the system lists the list of keywords related and the list of websites › Fitech idle surge › Fitech idle Fitech customer has been great the few times I've called. the idle airmass is significantly Any surge tank can be fed via a suitable mechanical pump. Generally, best idle on the twins comes at 3 to 6% CO and best cruise comes at an air/fuel ratio of 13. Now you can balance the idle mixture. Anything over that 350hp, I'd recommend switching to an Edelbrock replacement TBI or a modern TBI, like the FAST system. FiTech Go EFI Fuel Injection System Kit w/G-Surge Tank, 400 HP made by FiTech, for as low as $1,094. FiTech recognizes that not everyone needs or has 600HP or a wild camshaft. i just read that FiTech fi out of California will be launching a 4 inj and 8 inj TBI unit on March 1st. Milodon Gear Drives-Danny Bee Belt Drives . 1965-73 Mustang EFI Conversions for Small Block and Big Block Ford Engines from FiTech Idle Air Control Hy-Fuel or G-Surge. The idle air control valve is programmed to regulate and maintain the engine idle speed at a constant rate. Guy I bought it from had the 4. Warning: Caution must be observed when installing any product involving fuel system parts or gas tank modifications. If plug exists, remove it. 600HP Power Adder EFI System with G-Surge Tank Fuel Pump Module - Part Number 33004 by FiTech. I got it to idle better by richening the mixture, and I had engine vacuum back up to about 17" (normal is about 16-17" for this engine) and I thought the problem was If I plug the IAC hole or set the IAC to 5 (its lowest setting), it will idle near perfectly. My idle is intermittently between 900 and 1200 rpm, why? Some notes on the Constant Idle Speed. Dead-headed to the Fitech unit. Find FiTech 800HP MeanStreet EFI System 30008 Black at LSXceleration with Free shipping on qualifying orders! In this topic, Solving Idle Problems, is a recap of the entire series of topics for What to Do When you have engine idle issues. plus idle. 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-force environments. There is a large group of enthusiasts who are happy with their ZZ4 crate engine or their ’66 Mustang’s factory engine, but still want the advantage that EFI has to deliver. Fitech Fuel Injection System Kit 34062 Hy-fuel And Go-efi 2x4 625 Hp Tbi Black Fitech Fuel - $1,968. Using a vacuum gage, I found that the vacuum is about 13" at idle (set at 700 rpm for now). Re: Fitech efi Fuel Injection August 24th, 2016, 06:36 PM What more can I say, Tech installed on 69 Chev truck, SBC Stroker broke in with Double pumper Used the Command Center and put this set on. The turbulence created by the engagement of the clutch fan causes pockets of low- and high-pressure air entering the MAF sensor, technically referred to as fan wash. IDLE RPM: 880 TARGET IDLE AFR: 13. 5 - eliminated the off idle surge at 1500 rpms when your foot is off the gas pedal. Simple touch screen selections get you up and running in minutes. 9 V8 running rich bad mileage and shaky idle It's a bit shaky on idle and surges as I slow 73 Eldo convert w/FiTech EFI 75 Eldo rusty but trusty FiTech Go EFI Fuel Injection System Kit w/G-Surge Tank, 400 HP 13411744713 NEW Fuel Injection Idle Air Control Valve IAC Valve 0280140545 G2A1 FiTech Fuel High idle on the SVO fixed. Leak between auxiliary air regulator and intake distributor. After that, they punched it and made it scream. com I have a 1990 GMC K1500, stalling issues. 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. For example, I increased the lean-ness of the idle until I noticed the engine didn’t want to run very well after the initial start-up, and coolant temperatures started climbing irregularly. 8:1 at WOT. Fuel-injected engines are especially susceptible to problems with both fuel volume and fuel pressure. Is the gauge just giving a weird erratic reading and the engine maintains smooth idle, or is the gauge matching an erratic idle? During cruising it definitely is surging while driving at a stable speed regardless of speed. Fitech runs rich at idle keyword after analyzing the system lists the list of keywords related and the list of websites › Fitech idle surge › Fitech idle Just about everything is built into the throttle body itself, including the actual computer which is the flat plate with FITech printed on it. Advanced hand Held Tuning Mode Enabled. I will be calling the to fix the idle surge and sometimes doesn't start right away after warm up. From the quick way to remove rod-end caps to the easy way to adjust your idle mixture screws. Otherwise it is a very good system. • Windshield Mount for control. What causes rough idle on start up? i own a restore keep,,and convinced the 0-2 sensor will supply it a actual troublesome idle,,and there is a IDLE / LIGHT CRUISE: 13. Fitech System Kit Surge Hp; Idle Idle Control Valve 96; FiTech 30001 Go EFI 4 600hp Fuel Injection Conversion w/ Command Center 40003. Back To Product Details Back To FiTech Home [GMCnet] FiTech EFI looks like the real deal I built a bracket from UHMW so the surge tank (FiTech calls it a “Fuel Command Center”) could bolt to an existing fuelairspark. Low fuel pressure results in several issues for the engine, including rough idle, poor performance and decreased fuel economy. There's a lot of information at your fingertips. 7:1, corresponding to an idle mixture around 0. Follow along with these 10 tech tips to make life easier. Regardless of the brand of carb, opening the primary throttle blades too far in an effort to get a good idle will result in the idle being OK in neutral but will drop too far when the transmission is put into gear, along with the carb having poor off idle response. FiTech IAC idle issues Keith LeGier. Ju FiTech began with basic throttle body kits but it wasn’t long before the product line grew to include systems that would support up to 1,200 horsepower. Re: Fitech problems « Reply #12 on: May 23, 2016, 01:10:20 PM » I read a lot of the thread on the Chevelle forum and it looks like what I propose is not an option because that was what they were running into with fuel in the vent line. Detailed information on troubleshooting and repairing a P0505 DTC code which refers to a malfunction of the IAC (Idle Air Control) system. Then set your idle, cruise, and WOT settings the same as before. 5:1 at idle, 14. when i fill it the surge goes away so i'm writing that off to the carb tank pickup creating a siphon effect and On the other hand, I haven't even purchased the FiTech system yet and I sent an email asking a couple of questions and their response was to ask me to call the tech. The Game Changer has arrived from FiTech with its latest addition to the line of Easy Street Throttle Body EFI systems. Every part of the Holley Sniper EFI Systen installation is a breeze but a few folks are challenged to get the idle rpm set correctly. Leak in connecting houses between the intake distributor and intake manifolds. • Annular discharge. IDLE SPEED SCREW: 3. Yes, it displays manifold vacuum. Idle Trim Jump Pos = Fuel trim works in a saw-tooth pattern – for example if the engine is rich, there is a slow decrease until lean, followed by a sudden jump rich. Lambda 1 means an air/fuel ratio of 14. If after adjusting your Air/Fuel Mixture your idle is to fast Turn the IDLE SPEED SCREW COUNTER CLOCKWISE until your Rear Wheel JUST Barely wants to Turn or around 1500-1800 rpms. Systems for dual-quad throttle bodies, nitrous, boosted and even E85 applications are now available. It is a smaller port so I had to use a reducing connector. Connect a vacuum gauge to a manifold vacuum source on the engine. Fitech customer has been great the few times I've called. Camshaft Lift and Duration Theory idle at all without raising the idle RPMs above what is considered normal (in order to introduce more air/fuel, which increases Running Problems Rough Idle If the car starts when cold but, idles rough or does not want to stay running, this can indicate a problem with the engine temperature sensor. ENGINE PARTS- other. Reasonable prices on chev iac fitech and other relevant listings. Sometimes, an inexpensive fuel cleaner can clean clogged fuel lines. This essentially purges the computer’s memory of the previous tuning changes. Upgrading to Gen III LS-Series PCM: Sensors and Inputs Guide includes instructional photos, checklists, and step-by-step instructions on upgrading to the GM Gen III LS-Series PCM, ECM, Electronics, and POWERTRAIN CONTROL SYSTEMS Idle Air Control . FiTech 33008 800HP EFI System with G-Surge Tank Fuel Pump Module; Package includes FiTech 30008 800HP Self-Learning Carb Swap EFI System and FiTech 50007 G-Surge Tank Module Master Kit ; FiTech recognizes that not everyone needs or has 600HP or a wild camshaft. Any help would be nice I got it to idle better by richening the mixture, and I had engine vacuum back up to about 17" (normal is about 16-17" for this engine) and I thought the problem was fixed enough that I could get a new check valve and hose today. Raymond 73 , Dec 13, 2017 #14 High idle can also be caused by something as simple as damaged or faulty spark plugs, and the solution would be to replace them. Used and Recycled Auto Parts For Sale Reasonable prices on chev iac fitech and other relevant listings. Considerable rpm surging during idling (between 1000 and 2000 rpm). 12,998 likes · 72 talking about this · 81 were here. 13,003 likes · 69 talking about this · 81 were here. Idle Return: If the engine is not returning to idle quick enough for your liking or is dropping too quickly and killing the engine then you may need to adjust the rate at which the injection system comes to an idle. And when it comes to older cars and Hi, The majority of idle issues occurring after battery disconnection can be resolved with a throttle cleaning. Fuel Supply Systems All popular FiTech EFI systems are now packaged with one of four different fuel delivery options: inline fuel pump, Fuel Command Center, Hy-Fuel or G-Surge. I'm running a tanks inc efi tank with walbro 255 pump. Pro Laptop Software , COMPLETE TUNING FOR PROFESSIONAL TUNERS. Im having trouble starting the truck, once its started it runs fine , but its like starting a carbed truck on a really cold day. If no hole or plug exists, reattach intake tube, start engine and recheck idle. If fitech had a fuel pressure sensor in the throttle body their pwm settings menu would look just a little different. With the engine at normal temperature, if the idle quality has deteriorated, adjust each idle mixture screw the same amount until the engine idles at its highest engine vacuum. the vapor canister on the passenger side). It comes very close to stalling. The Fuel Control Center (surge tank) really seems to have created more problems that it solved. With general poor engine performance right after starting, I replaced the FiTech, Riverside, California. FiTech MeanStreet EFI 800 HP Self-Tuning Fuel Injection Systems with G-Surge Pump # FIT-33008 Black If you're running high horsepower in rough or tough c Does the hand held read your motors vacuum? I got a response from FiTech. However, it can be tuned to idle well (I had this same exact issue). 00. Or better yet, I can upgrade this installation with an MS-II daughterboard, get much finer injector pulsewidth resolution (100x more) and also have the ability to control my stepper idle speed motor on this TBI. - the truck will start up most time fine with a little gas, after about 30 seconds in idle it will do an irregul The display will give you a target window to adjust your idle speed to by using the idle set screw on the throttle body, which is in the same place as it is on a 4150 carb. FiTech was a runaway success so much so that they were completely overwhelmed in every way so it was hard to get product and almost impossible to get any sort of support. The Ultimate LS Induction System features the same industry leading EFI control that is in all FiTech EFI systems. IDLE: 900 rpms Target Idle AFR: 13. com Fuel Injection Made Easy With FiTech EFI! cam size, and idle speed. They all (even the FiTech FCC) require a small return line of some kind from the top of the surge tank going back to the main tank which allows air to be purged from the surge tank. After it does that, the idles jump from 400 RPM to over 1000. FiTech Fuel Injection is the number one choice of both amateur hot-rodders and professional EFI tuners worldwide. Free shipping when your order includes this part. I finally tracked down my high idle culprit. I may need to adjust the idle speed screw as well. FiTech, Riverside, California. I did that tonight also, I had it set to 10 degrees but played with that a little tonight also the surging idle actually quite and it seemed to settle in better at right around 5 degrees which is really odd most seem to want a little more timing not less. Proud supporter of Insufficient intake manifold vacuum can be deadly to an internal-combustion engine. Click a category tab below to view them. I would definitely try leaning the idle and 3k 45kpa settings to pass smog - look for 14. • Internal MAP sensor. HP Tuners, the home of VCM Suite and the MPVI since 2003. Doovi is an ultimate portal that finds the best YouTube videos in seconds! Stock pump filling a surge tank with a hp pump inside it? about 10" of vacuum at idle. Cost of Replacing a Bad or Failing Oxygen Sensor Common signs of a faulty car oxygen sensor include the Check Engine Light coming on, bad gas mileage, and a rough idle. fitechefi. CAM SETTING (1,2,3, or 4) AND YOUR CAM SPECS: 2, 284/290, 112, 515/515 lift hyd roller. Probably dealing with some anti-stall programming. If idle is too low, check for plate orifice plug. The larger vacuum ports on the FiTech are Manifold vacuum. If idle is still unstable, raise the target idle speed to the lowest possible point where idle stability exists and repeat steps 1-4. Here are some tips! Re: Fitech problems « Reply #42 on: June 08, 2016, 07:29:43 PM » Right now I am running the FCC and filling it with an electric fuel pump and running the vent line back to the tank through the stock return line that goes to the chamber above the drivers side rear wheel and that has the 4 vent lines from there run to the tank(71 Charger Superbee). It is inconsistent and sometimes will die. I tried the usual tuning tricks: accelerator pump adjustment, float level, bigger squirters, smaller squirters, new accelerator pump, power valve and every color of pump cam that Holley makes with Given this, the best place to start improving highway and in-town fuel mileage is with the idle circuit. Buy Now. After having a high 1100-1300 idle for the past month, the idle speed was slowly increasing to 1400-1500 at times. During normal cruise-mode on the Interstate, I slowly leaned the air/fuel ratio (increased numbers) until I noticed the engine starting to surge slightly. It eventually does recover and will get up to speed. 3L, 6. I bought the Power Adder version to work with my 100hp Nitrous kit, but I have not used it with the nitrous yet. • Handheld controller with 8gb data log capabilities. It also operates during engine cranking and when the engine returns back to idle. The Self Tuning Fuel Injection systems are perfect for your everyday Driver right up to your weekend Street Machine or Bracket Racer. Available in Performance Department at www. An affordable option to the $2-3k FAST systems is Fitech at $1k. Turn idle screw to adjust rpm to 650-725 If rpm still too high, turn engine off and disconnect air intake hose, and block off hole in throttle plate. 5; MAP fuel (I think - was adjusted down to 10 from 38. It only occurs when I start the engine and let it come out of fast idle. FiTech 30005 works on engines producing 250-600HP. The Holley technical service department maintains a list of frequently asked questions by category. I installed a fitech go efi kit onto a chevy 350 in my k5 blazer. Click to expand Fuel Injection Idle Air Control Valve (3) G-Surge & Go-EFI 2x4 (2) FiTech Fuel Injection System Kit 31004; Inline Pump & Go-EFI 4 Power Adder We Have Major Bargains On Fitech Efi Fuel Tank Pump And Is Ready For You Today At This Well Known At This Prominent Retail Store. Ive looked at the efi kits like fitech, just to replace all the things that could be well the fcc didn't work out and summit was cool enough to return it since fitech couldn't come up with a fix. 08 – 0. I like having the ability to adjust the idle, Air fuel ratio, etc from the touch screen. The idle is perfect, it feels like it has more power and it definitely running a lot smoother. Boost reference connected to the Aeromotive and capped at the FiTech unit per instructions from FiTech. 3~14. It's the FiTech go efi 4 model with the fuel control module. Price: $1,320. FiTech; Billet Atomizers Racing If fitech had a fuel pressure sensor in the throttle body their pwm settings menu would look just a little different. FiTech Go EFI Fuel Injection System Kit w/G-Surge Tank, 400 HP 13411744713 NEW Fuel Injection Idle Air Control Valve IAC Valve 0280140545 G2A1 FiTech Fuel [GMCnet] FiTech EFI looks like the real deal Forum Search: The surge tank (they call it “Command Center”) is especially nice looking. First start up was a little off as they adjusted the throttle body to get it to idle. Fitech Injection Kit Wg-surge Fuel Meanstreet Efi Wg-surge 8 System Kit Fitech Tank Funny videos and YouTube music. FiTech Introduces the Buy FITech Fuel Injection 33003 at JEGS: FITech Fuel Injection GoStreet EFI 400 HP Throttle Body System Master Kit with HyperFuel Single Pump G-Surge Tank. Set the IAC Control-Advanced Idle Control to "Slow". Loading Unsubscribe from Keith LeGier? Fitech - Adjusting max and min values for fuel trim and fuel learn - Duration: 1:41. 5 or so, but if you get a lean stumble or misfire you Ultimate LS Induction Systems FiTech EFI continues to bring the highest quality products to the market at the most competitive prices. At this setting, my vacuum is a steady 16 lbs. com WHAT THE ECM - PCM DOES: The 1985-1988 TPI system utilizes the following sensors and devices to control the engine: Mass Air Flow Sensor, Manifold Air Temperature, Coolant Temperature, Oxygen Sensor, Throttle Position Sensor, Cold Start Switch, Cold Start Injector Fuel Injectors, Idle Air Control Valve, Distributor Electric Spark Timing, (Module in distributor TPI) Electric Spark Control, Module and Knock Sensor. Thus for cold startup enrichment, the ford ecu's use a Lambse Most cold startup surging and dieing issues are fuel related. We design and engineer automotive fuel injection products for First post, have been following along for awhile now. Work in a well ventilated area with an approved fire extinguisher readily available. In this article, we'll discuss engine idle issues, surging and "hunting" problems. Guaranteed lowest price! FiTech offers an array of FiTech EFI Systems, designed around your HP needs. When the battery is disconnected the computer loses it's adaptation for the idle air bypass and the idle air control valve resets to it's default position. Although rare on 92-95s, injector leak comes to mind. This video illustrates something the instructions don't tell you. 7:1 at cruise, and 12. com under “tech center”. Bought the Jeep earlier this week and trying to get it tuned right. Categories: American Classic Cars | Muscle & Pony Cars. The car would stumble as soon as the throttle was cracked open from idle. EFI on f100 Doug Re: FAST EFI Installation on 200 Inline 6 Post by hotrodguy » Sun Apr 10, 2016 9:34 pm A 4 into 2 adapter plate, will work , also the FI system will slow down the fuel at lower rpms . We Have Major Bargains On Fitech Efi Fuel Tank Pump And Is Ready For You Today At This Well Known At This Prominent Retail Store. Cams over 15º overlap, idle 950-1100 all cells across the board, add 3-4 g/sec to idle airflow across the board both in P/N and in gear (HPT > Engine > Idle > Idle Airflow > Base Running Airflow), add 6º of idle timing 1200 rpm and under and 0. With general poor engine performance right after starting, I replaced the If the idle becomes unstable, try raising the idle timing advance if necessary. This may result in an unusually high or low idle speed, or in some cases a surging idle speed that repeatedly climbs and falls. Engine surges when depress accelerator past a certain point Rpm falls below idle when declutching Enter diagnostic, go to switch tests and make sure the Idle Speed Control nose switch passes, if bad can cause the surge. I have reset all fuel learn values and checked the timing and do not have a vaccum leak. ENGINE VACUUM: ~4 at idle and warm. I have mentioned before, that I got the FiTech a few years back before Holley had the Sniper system. While there are other external pump options as well as in-tank choices, one of the easiest to integrate systems is the FiTech Fuel Command Center. Re: Fitech efi Fuel Injection August 25th, 2016, 06:47 AM Thanks for sharing experiences - nothing beats knowing what the real customer service is from real customers. Perform an injector balance test while in diagnostics to check. 5:1 air/fuel ratio to avoid lean surge conditions. Please follow the post completely for details of the process. 28 g/cyl inclusive (HPT > Engine > Spark Control > Spark Advance > Idle Spark Advance (in Park). Now enhancing these to new heights with a new feature rich VCM Editor and VCM Scanner, coupled together with the latest generation MPVI2, this is only tuning and diagnostic solution you’ll ever need for your modern OBDII vehicle. Is that Fitech Go Efi 2 Barrel Efi Kit Hp Classic Gold. The throttle position sensor, MAP sensor, Idle air control, injectors are all built in. FiTech Install 1972 Oldsmobile Cutlass Supreme This article walks you through some pointers for installing a TBI fuel injection system in a classic carbureted engine. Also includes links to relevant forum topics on the code. fitech idle surge