Have you tried holding throttle wide open like you would a flooded carbed engine? Do you have your prime shot disabled?. Of course at 132,000 miles the "customer satisfaction" extended warranty has run out, and Ford says too bad. I think the choice should be who has the information to sell bigger injectors and has parts available. Fuel injector leak testing should be done under operating pressure. well, I have seen guys change fast injectors. If the fuel pump starts, it indicates that the fuel pump, power supply to the fuel pump, and wiring from the relay panel to the fuel pump are good. More power! FiTech Go EFI 8 Power Adder Plus 1200 hp fuel injection systems are for gearheads interested in major power for road courses or the race track, while maintaining overall drivability. In over 40 years of diesel combustion research, Baileys has seen, repaired and prevented just about every cause of injector failure, and in this post we have compiled some of the most common symptoms, causes and ways to prevent the premature replacement of your. Now, in case you just suspect that you have a bad (or dirty) fuel injector and don't know where to start, I'll also show you a basic diagnostic/troubleshooting strategy that'll help you get to the bottom of the problem. Repair Information for P0204 code. The EFI-4 is a four-injector system that is reliable up to 600 horsepower, and the EFI-8 is an eight-injector system that is intended for applications up to 1,200 horsepower. The "experts" selling the sniper just tell you to send it back for warranyy work, I dont know why they are even afraid to open one up. 7 350 vortec l-31 bad injector cylinder 2 injector stuck open. There is quite a bit of surface rust all over the truck, so I'm speculating the injector might have rusted with a leaky valve cover seal. Swapped injectors with a know good injector and it still is wide open while the other 5 cylinders are off. I would think that this should be reading something other than zero to allow the injectors to actually spray. 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 will adjust the fuel trim according to o2 sensor readings. Explanations of each input are below the calculator. Now, in case you just suspect that you have a bad (or dirty) fuel injector and don't know where to start, I'll also show you a basic diagnostic/troubleshooting strategy that'll help you get to the bottom of the problem. I attribute it to the 460 being so stupid it didn’t know any better. I have a 2007 dodge ram 2500 with 5. So, the injectors are not stuck open. - stuck open injector on cylinder 9. Jeep Liberty Check Engine Light/Misfire Due to Intake Valve Locks/Valves - 578 reports. Our state-of-the-art factory uses only ASNU flow benches in our certified ASNU service center. Or just jammed open with deposits ? I did have a similar problem on Cyl #4 a while ago. Ive tested the computer and it will not pulsate. FiTech LS1/LS2 102mm Loaded Intake Manifold Kit. If there are no error codes, the next step will be to remove each injector for inspection. 4 - hard start/starts rough but smooths out in 5-10 seconds. You might have an injector stuck open all the time. This is sufficient if you are putting a TPI on a 1957 Chevy with a 283 up to 1973 El Camino with a 307. 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. I would think that this should be reading something other than zero to allow the injectors to actually spray. Almost without exception, fuel injectors use round mounts and O-rings to seal to the rail/manifold. I also put a new coil pack and injector in it. Soot forms as a result of a mixture that is too lean or too rich but the rich mixture is the major culprit causing the oil to thicken. This is different than the injector stuck open. Many of the issues I've read appear here to be symptoms of worn timing belts and possibly failing fuel pumps. So, the injectors are not stuck open. I was nearly asphyxiated from the fumes it gave off and had trouble holding it with the foot brake while stopped at lights and stop signs. NO code is being set so cant trace it that way. There are special procedures which may be able to restore the affected injector. Now maybe 15 hours later same thing, same injector same cylinder!!. 14,803 likes · 74 talking about this · 119 were here. The fuel injectors that are in your Boxster are more than adequate for stock engines, and supply more than enough fuel for maximum power and open throttle. I always check to see if the governers are free before I fire up any stationary engine,amazing how heavy an engine gets it when it is bouncing on the workshop floor. The injector requires power to open it. fans and the FiTech unit can control 2 fans. Although generic, the specific repair steps may vary depending on make/model. I have a stock 302 with a Russ Thompson pedal hooked by Mechanical Linkage to a Fitech (400hp version). The FiTech Go EFI System is the industry's most ad-. Code shows secondary air injection pump has problems. The FITECH unit that was featured on the Power Block had 8 injectors, it was the power adder/blow-thru series that would handle up to 1200HP. You will need to not only check the voltage, but make sure the injectors are. Start the car, then take a piece of wood(a dowel works best) or a stethoscope and put it on the injector just below the connector. With 6 cylinder Sequential injections each injector will have a Ground wire running back to the computer, so 6 Ground wires. normal or open circuit 652 5 154 Engine Injector Cylinder #02 Current Below Normal Or Open Circuit 331 Injector Solenoid Driver Cylinder 2 Circuit - Current below normal or open circuit 654 5 155 Engine Injector Cylinder #04 Current Below Normal Or Open Circuit 332 Injector Solenoid Driver Cylinder 4 Circuit - Current below normal or open circuit. The injector requires power to open it. well, I have seen guys change fast injectors. It is supposed to free up anything that might be stuck. We called Holley tech 3 times, and got 3 different people in 2 days. As with anything involving fuel, checking the status of a fuel injector is not a very safe Saturday project for the car owner. I am thinking the same about the FCC. I took it to a dealer and put a used computer in it and they programed it but the number 1 cylinder injector is stuck open. Make sure there isn't an injector over fueling or stuck open. Mine works, running the mean street, supposed to handle 800hp. This case study will help you to diagnose a 'Spider' fuel injector that is stuck open due to the PCM having fried and causing one of two things: A misfire condition or an engine hydrolock condition (a no crank condition caused by gasoline filling up an entire engine cylinder). 1st week Controller screen stopped working, was replaced under warranty. " Farrell said he wants FiTech to give value to their customers. Have you tried holding throttle wide open like you would a flooded carbed engine? Do you have your prime shot disabled?. Both leaking and damaged fuel injectors can cause serious engine issues and lead to engine failure. If you know k-jet, that pressure is too low to have the system pressure and enough difference to run a control pressure of any kind to open the injectors and spray properly. So, the injectors are not stuck open. Ive tested the computer and it will not pulsate. Also, if is there is a general guide to what the L28 likes for A/F ratio's. Buy Ford IDI 6. With ignition on pump shows 50 odd psi. 9 sometime in the first quarter of this year which is a better O2 sensor , more accurate and more reliable over time. FiTech Fuel Injection owner Ken Farrell stopped by our office to let us know that the company webpage had been upgraded to accurately cover all the FiTech fuel injection systems in an easy to research and view electronic format. CS Performance Fuel Injectors. First of all, you need to understand how the injector functions. 0L Ford Powerstroke Engine One of the most common points of trouble and a common source of reliability complaints with the 6. i have now dropped 3 fuel injectors due to them getting stuck open. With 6 cylinder Sequential injections each injector will have a Ground wire running back to the computer, so 6 Ground wires. Visually inspect the engine bay - If you open up the hood and there is a strong smell of fuel then a leaky injector could be the culprit. We check out FiTech's new fuel-injection system and put it up against a carburetor in a heads-up EFI dyno test on a mild junkyard LS engine. Installing A Fitech EFI System on a GMC There has been at least one Command Center that arrived with the float stuck so that fuel is constantly flowing out of the. One coil is used to open the oil circuit and the other is used to close the oil circuit. If you plan on running up high mileage on your car, then there are a few things you can do to help. By performing any of the actions described in this article you risk damage to your fuel injectors that could render them inoperable. Describe what procedure you are using to test the 'Ground'. If the injector is open all the time, then it's toast. - Strong Knowledge at Fishing Operation at Cased and Open Hole - Strong knowledge with 2 Open different zone characteristic :Loss and Flow Zone in same wellbore - Strong knowledge on Ventury Choke Completion for injector (steam) - Experience on Dual String Completion Fishing Operation. The EFI-4 is a four-injector system that is reliable up to 600 horsepower, and the EFI-8 is an eight-injector system that is intended for applications up to 1,200 horsepower. A severly stuck open injector could cause engine damage. Sounds more like your fuel pump is losing pressure when shut off, they are notorious for doing this and basically it just primes the lines with your first crank over, the lines are supposed to stay primed because this is a returnless system, your pump may work great but it's most likely on it's way out, simple fuel pressure check will confirm this, lots of posts about this on here. The average DIY fuel injector cleaning project and most automotive repair shops does not have the proper diagnostic equipment or the ability to test leaking injectors or clean them properly. • FiTech Fuel injection is designed to be used with street based injection systems: MSD digital 6AL or street fire, Sum-mit street amplifier box, etc. List of standard DTC codes used by vehicle manufacturers to identify problems. Fuel injectors are considered to be dirty when the hydrocarbons and additives which all forms part of today's fuels, together with engine gunk and carbon, cause the injectors to become restricted. Re: Injectors stuck open by 16V-Sauger » Sun May 30, 2010 8:38 pm with ms1 it happen that i damaged the injector driver, the injector was fully open the whole time even the led was off. Is this a computer problem?. You can also use an ohmmeter to test for an open or shorted coil inside the fuel injector. There are up to 5/6 Idle devices for air, on an 8v engine. “We source and supply everything on our own,” said Farrell. What would cause tbi injectors to stay open and spray fuel but not pulse? It it's case there were 3 bad fuel injectors. Height Adapters; Wire Adapters; O. The Injector is hooked to the 12 volt line. An injector with a leaking or stuck nozzle may cause white smoke and is usually accompanied by a fuel knock. Learn about this problem, why it occurs, and how to fix it. FiTech then has an advanced page you can further tweak the ranges and such which I have found to be completely adequate to further dial things in. An established Huglight Hands-free Flexible LED Portable Book Reading Light Hug Lamp Torch neck seller must have a history that's documented using the Better Business Bureau. If it does than injector stuck open. Dangerous! The grey screen issue I can work around by cycling power to the computer. 2005 F-150 5. It is a 2006 Audi A6 with 95000 miles. The 2016+ Civic / 2018+ Accord gets software based traction control using the ABS wheel speed sensors. a: The "A" camshaft shall be either the "intake," "left," or "front" camshaft. There are up to 5/6 Idle devices for air, on an 8v engine. I took it to a dealer and put a used computer in it and they programed it but the number 1 cylinder injector is stuck open. injector stuck open? Just looking for some input on a problem I'm having with my 04 STI. An injector stuck open would cause poor fuel mileage and the engine management system would notice it as well as there would be a lot of unburnt fuel in the exhaust and if severe enough, hydrolock the motor. The state of California and other states with similar laws and regulations prohibits the use of some parts on emissions vehicles. I always check to see if the governers are free before I fire up any stationary engine,amazing how heavy an engine gets it when it is bouncing on the workshop floor. In over 40 years of diesel combustion research, Baileys has seen, repaired and prevented just about every cause of injector failure, and in this post we have compiled some of the most common symptoms, causes and ways to prevent the premature replacement of your. The #1 fuel injector is stuck open. Is there any way to unstick an injector? - posted in Virtual Mechanic: I have a couple of injectors that are faulty and cleaning doesn't seem to be fixing them. And clean up any gas before any further work. a: The "A" camshaft shall be either the "intake," "left," or "front" camshaft. It uses four 56-lb injectors and the. Fuel injectors stuck wide open? While driving today my 2000 Dodge Neon suddenly started to increase speed on it's own. I attribute it to the 460 being so stupid it didn’t know any better. Each fuel injector is an electrically controlled solenoid which, when triggered by a pulse from the engine control module, sprays a precisely metered amount of atomized fuel directly into the combustion chamber. In this tutorial I'll show you how. Test leaking Fuel Injectors. Any ideas? Wondering if injector stuck open maybe. I banged on the side of it and it stopped. Why pay for new fuel injectors when we can service them to "like new" for a fraction of the cost of new injectors? Getting your injectors cleaned and flow tested saves you money and just makes good sense! A Bottle of Fuel Injector Cleaner Poured into Your Gas Tank Will Not Fix the Problem!. One appears to be stuck closed and the other stuck wide open. A regulator allows some of the fuel to bypass the injectors and return to the tank, maintaining a certain regulated pressure. There is additional wiring, but that, too, is part of the kit and all wiring is terminated where it will plug into a sensor or fuel injector, and it's covered with a protective sleeve. If there are external fuel injector leaks, the entire fuel injector body must be replaced. ok so im pretty sure my fuel injector on cylinder 5 is stuck OPEN. This is an open class rally car - motor-wise it's fairly stock aside from 11:1 cr and the 34mm restricted vf39 (only fuel mods are walbro pump and we run 105 torco). DG Technologies diagnostic tools, such as the VSI-2534, the d-briDGe Pro, and the DPA 5, can be used to extract fault codes from a vehicle’s network. 0l Ford Powerstroke Diesel is the failure of the diesel injectors. Does Fitech have a support email? I sent an email to their [email protected] address, but thought that somebody might have a specific email or person I could contact for support. The FiTech Go EFI System is the industry's most ad-. This is the Ford Powerstroke engine with the highest failure rate for injectors and stiction issues. I was nearly asphyxiated from the fumes it gave off and had trouble holding it with the foot brake while stopped at lights and stop signs. This vacuum pulls fuel out of the injectors, and increases the effective pressure across the injector to a pressure higher than the rail pressure itself. if its stuck closed, it wont open, if its not, you will hear it click and you can spray cleaner through it. In cases where there's a cylinder misfire code but no other codes, the ignition or fuel delivery system may be borderline and not yet bad enough to set a code of its own. Many experts recommend that the fuel injectors be cleaned every 30,000 miles or so. You must pull. 4 55's would be a better fit. FiTech; Billet Atomizers Racing Injectors; Wire Kits/Height Adapters; O-Rings/Pintle Caps/Etc. Stopped home to grab a quick sandwich, then came out and drove to my local range. Was the 351 the. The fuel injector, an electrically operated gate, delivers fuel into the engine via its nozzle. "We source and supply everything on our own," said Farrell. It seems better than before. It didn't do this last winter. Engine light on. The one I am running is got 2 85's and I have not seen any signs that its hit its limited on my 500 with a slightly better than stock cam. And when it does, you had better have a solid, knowledgeable mechanic to help you. Like any other engine part, regular maintenance is the key to keeping them going. Installing A Fitech EFI System on a GMC There has been at least one Command Center that arrived with the float stuck so that fuel is constantly flowing out of the. The FITECH unit that was featured on the Power Block had 8 injectors, it was the power adder/blow-thru series that would handle up to 1200HP. So I replaced the fuel pressure regulator and the #4 injector. Fuel injectors are considered to be dirty when the hydrocarbons and additives which all forms part of today's fuels, together with engine gunk and carbon, cause the injectors to become restricted. Disassembled the Fitech throttle body and pulled an injector Discussion in ' EFI Tuning Questions and Engine Management ' started by actmobmar , Jun 14, 2016. This FiTech EFI is perfect for an everyday driver, a weekend cruiser, or bracket racer. Page 1 of 2 1 2 Next >. - stuck open injector on cylinder 9. FiTech; Billet Atomizers Racing Injectors; Wire Kits/Height Adapters; O-Rings/Pintle Caps/Etc. Fuel injectors are quite sturdy and rarely need to be replaced, so individuals who plan on buying a new one should first try cleaning the current injector. It is a 2006 Audi A6 with 95000 miles. FiTech then has an advanced page you can further tweak the ranges and such which I have found to be completely adequate to further dial things in. Replaced it and everything runs great. Grey screen on the handheld, and throttle linkage that is completely binding up. On the other hand, the peak and hold design allows maximum current to flow just long enough to open the injector. Start the car, then take a piece of wood(a dowel works best) or a stethoscope and put it on the injector just below the connector. These systems combine eight high-flow injectors with an annular discharge increased to 20 streams to handle the massive flow. You can post the video here if you need too. I would presume that the location of the injector is totally random, but if it's not, then that's a clue to an entirely different problem. Depends on what is sticking or leaking: the oil inlet poppet, check valves, or the injector tip. This rail holds the fuel injectors in place. So, the injectors are not stuck open. It might save you money if you first try swaping an injector from the other motor to see if it sticks open too. May be a SWAG, but since it never "misfired", it may be the culprit. I even put in new injector in it as well. A leaking or stuck open nozzle in the injector will cause a misfire and fuel can be found in the engine oil. Assuming your mechanical pump was capable of feeding sufficient fuel to feed the engine at wide-open throttle (WOT), the only thing this system does is bump the pressure to the higher 43 psi of most of the aftermarket bolt-on self-learning EFI systems. Usually a bad or failing fuel injector will produce a few symptoms that can alert the driver of a potential issue. The early Chrysler ones had 2 small open pins on top pointing up. Sounds more like your fuel pump is losing pressure when shut off, they are notorious for doing this and basically it just primes the lines with your first crank over, the lines are supposed to stay primed because this is a returnless system, your pump may work great but it's most likely on it's way out, simple fuel pressure check will confirm this, lots of posts about this on here. The Riverside, CA-based company burst on the scene just a few years ago with its own. An injector with a leaking or stuck nozzle may cause white smoke and is usually accompanied by a fuel knock. White Smoke Indicates a Faulty Fuel System: Time for a Fuel Injector Service. A regulator allows some of the fuel to bypass the injectors and return to the tank, maintaining a certain regulated pressure. Test leaking Fuel Injectors. If the fuel pump starts, it indicates that the fuel pump, power supply to the fuel pump, and wiring from the relay panel to the fuel pump are good. Many of the issues I've read appear here to be symptoms of worn timing belts and possibly failing fuel pumps. 14,803 likes · 74 talking about this · 119 were here. Reliable and easy to tune, the FiTech EFI appeals to every driver. Each fuel injector is an electrically controlled solenoid which, when triggered by a pulse from the engine control module, sprays a precisely metered amount of atomized fuel directly into the combustion chamber. The 2006 Ford Expedition has 2 problems reported for stuck open fuel injector. Aktivitas Freddy Frinly Rizki Tarigan. Fuel Injectors sticking open Bronco Chat - Archives Community Message Forum Photo Gallery Event Calendar Book Reviews Bronco Wallpaper Bronco FAQ Link Back to CB!. They've enabled going to fuel injection with the least obtrusive modifications from the car's original configuration. The early Chrysler ones had 2 small open pins on top pointing up. So I helped my cousin rebuild his 99 454 vortec and he put 4. FiTech LS1/LS2 102mm Loaded Intake Manifold Kit. Make sure there isn't an injector over fueling or stuck open. They look like the injectors out of a Holden GM 6L Ls V8 but would like to be sure. After your good advice and several calls to FiTech, I discovered I had a stuck injector. Toggled the injector off/on a bunch of times and finally it seated again. Ok, first time poster. #2, 3 and 4 are flashing like they are suppose to. Fitech sent me a new one and it does the same thing. The coolant level should be going down if it is the head gasket. I had the car diagnosed. Family Marine 301,332 views. NO code is being set so cant trace it that way. Replaced it and everything runs great. When intake valves open fuel and air are drawn in. After ICE shutdown, I could rotate the throttle spring and finish cleaning the. best way to tell would be to pull the fuel rail, leave the injectors installed in it, leave the fuel line connected to it, and turn the key to the acc position. Fuel injector flow rates, atomization and distribution are affected and this can cause all sorts of drive-ability and performance problems. Check solenoid for proper resistance of 9-14 ohms at 20C (68F). Fuel injector leak testing should be done under operating pressure. Open the hood and locate the fuel pressure regulator on one end of the fuel rail. Can bad fuel injectors cause a knocking noise in your engine? 1 Answer. In general, fuel injectors are hard wearing and with a little care can often last the life of the engine. Injectors 2, 8, 3 and 5 go to pin 2 Injectors 1, 7, 4 and 6 go to pin 17 Don't worry about the pink/white wire, this is supplying power otherwise no injectors will fire. The injector requires power to open it. 2 & 4 have 12v on both sides (Key On, Engine off). It is advisable to clean the injectors every 25,000 to 30,000 miles to ensure that they do not get. When an engine is idling, there is a vacuum in the intake manifold. So my FiTech Go EFI arrived today. The current is then reduced to a lesser value to keep the injector open. does this all sound like a stuck open injector?. Not too much info online and Fitech service is off and on. Two of the most common questions we get from customers are "Why did my injectors fail?" and "What can I do to avoid it?". To preserve diesel injectors is replace fuel filters regularly, ensuring that fuel enters the engine without debris inhibiting the performance of the injector and the whole engine as a result. Check solenoid for proper resistance of 9-14 ohms at 20C (68F). DTC (Diagnostic Trouble Codes) List. Of course, things like fuel pressure, wide band O2 sensor, and an ECU are part of the conversion, but FiTech takes care of these items in its kits. When the injectors open, it is essentially creating a hole in your fuel supply system which reduces the available pressure. The thinking from Brian425 is that the injector is stuck in the head and won't come out. Learn what does P0204 Injector Circuit Malfunction Cylinder 4 means, location and how to repair?. REconnect Injectors, Put gas cap back on and reconnect negative battery cable. Started mine today using AFRs based on what I was using on my E85 blow thru carb, but it was a bear to start, idles horribly and has no throttle response. A regulator allows some of the fuel to bypass the injectors and return to the tank, maintaining a certain regulated pressure. Can bad fuel injectors decrease mileage so much? a injector that is stuck open can cause poor fuel mileage as it continuously dumps fuel in. 7 engine keeps shooting a code for fuel enjector stuck open clinder 2 i changed the fuel injector code never cleared n still sakes wen idles i went back changed the coil all. Describe what procedure you are using to test the 'Ground'. Fuel Injector Sound - By using an engine stethoscope, you can listen to your car's engine. Your multimeter can either be an analog one or a digital one. The 2009 Buick Enclave has 1 problems reported for fuel injector stuck open. Faulty fuel injectors on late-model cars will make their presence known by causing a cylinder to misfire. When an engine is idling, there is a vacuum in the intake manifold. This FiTech EFI is perfect for an everyday driver, a weekend cruiser, or bracket racer. is this possible to fix or is the injector shot? i replaced plugs, coilpack, wires, fuel filter and im still getting a misfire in cyl 5. I have been in contact with FITECH and know they are going to the Bosch 4. Have you tried holding throttle wide open like you would a flooded carbed engine? Do you have your prime shot disabled?. The state of California and other states with similar laws and regulations prohibits the use of some parts on emissions vehicles. Injector & Pump Repairs; FAQs; Diesel and Petrol Fuel Injection Testing and Repairs. You can also use an ohmmeter to test for an open or shorted coil inside the fuel injector. bought back to shop replace injector in six. Have you tried holding throttle wide open like you would a flooded carbed engine? Do you have your prime shot disabled?. Just tried new o2 sensor and no change. I guess I can remove the injector, aim it into a bottle, fire it up cold, if it will fire up, and see if the vapors subside. Plus you need to check if the fuel injector if stuck open and also the fuel pressure regulator. • The FiTech Go Port Timing Control feature cannot be utilized if you have a "Ready-to-Run" distributor or an HEI dis-tributor. Now, in case you just suspect that you have a bad (or dirty) fuel injector and don't know where to start, I'll also show you a basic diagnostic/troubleshooting strategy that'll help you get to the bottom of the problem. radiators cooling. More power! FiTech Go EFI 8 Power Adder Plus 1200 hp fuel injection systems are for gearheads interested in major power for road courses or the race track, while maintaining overall drivability. I told him I hate to drive it as it is and he said it's standard that he tells customers to go ahead and drive on a bad injector since it "normally" won't hurt anything. There is quite a bit of surface rust all over the truck, so I'm speculating the injector might have rusted with a leaky valve cover seal. Mustang DTC Codes. I took it to a dealer and put a used computer in it and they programed it but the number 1 cylinder injector is stuck open. Fuel Injector Sound - By using an engine stethoscope, you can listen to your car's engine. A stretched out or damaged Throttle Valve "TV" Kickdown Cable can cause shifting problems or a possible transmission failure, so replace that old worn out stock cable with a brand new Performance Automatic Transmission "TV" Cable from AmericanMuscle. Make sure you change the oil and oil filter. 3 months, an injector stuck open, was replaced under warranty (note if this ever happens to you, disconnect the power to the affected injector so you can limp home, these injectors are a propritary design, so I. The fuel injectors that are in your Boxster are more than adequate for stock engines, and supply more than enough fuel for maximum power and open throttle. Family Marine 301,332 views. 8L equipped GM car or mini-van. 0L Power Stroke Diagnostic Guide How to Troubleshoot 6. For your engine to achieve maximum power, it must have an air/fuel ratio maintained within a certain range. Fitech sent me a new one and it does the same thing. RPM peaked @3050, and shutting off the key had zero effect. just didn't know if any ideas what could be. Each injector contains an electric solenoid that, when turned on, lifts a valve off its seat and the injector sprays fuel. I have been in contact with FITECH and know they are going to the Bosch 4. I also had an issue yesterday unrelated to tuning. *The injector hold down bolts are torque to yield. Place the tip onto the injector, and if you hear a sharp clicking sound, they are operating. Fuel injectors do not last forever but you can take steps in preserving their lifespan for as long as possible. (shorts in feed, or opens) The Idle Air devices are faulty (BAD IAC/ISC, DashPot) Due to NO FRESH AIR. Your multimeter can either be an analog one or a digital one. Two new problems. 9 cummins with 86,000 mile. Symptoms of bad injectors on these would be engine over heating, loud knocking noise(should sound like a bunch of old typewriters), pour acceleration, white smoke emitting from the tail pipe. This is sufficient if you are putting a TPI on a 1957 Chevy with a 283 up to 1973 El Camino with a 307. I have an issue with one injector on a Go Street 400 unit. For a while it has been hesitating under acceleration with an occasional quiet but noticable backfire while also accelerating. Ok, first time poster. The Holley HP EFI looks like it has a lot more features and states it can run 8 sequential injectors which i know that from a fuel injection point of view is great. Be sure to snug down all screws to prevent leaks of fuel. Anyone ever had the experience of a stuck injector? Think thats my problem right now. Although it won't simulate an open injector it might at least support my. So, i dont believe an injector is stuck. Payday 2 BLT is our custom-made Lua hook for Payday 2. Then plug that wire into a spare spark plug and lay it on the inner fender to see if it sparks. If there are no error codes, the next step will be to remove each injector for inspection. RACV came out and said one of my injectors was stuck open hence lots of black smoke and crappy idle. I have an issue with one injector on a Go Street 400 unit. '90 maxima 245,000 miles…over the course of a few days all three rear injectors (1,3,5) are stuck open and dumping fuel…lots of white smoke and fuel smell. There are special procedures which may be able to restore the affected injector. If they don't click the ECU is bad, wires bad to it, or injector is jammed up, or its coil open/shorted. The thinking from Brian425 is that the injector is stuck in the head and won't come out. Not sure why, but they did say that the carb did pick it up just a bit. The fuel injectors all get 12 volts when key is on, but no Ground so they stay closed. In the top of the injector is what is known as a spool valve. I went on a short drive and had fuel start spewing out of the fuel command center vent (I've since installed a return vent line to the fuel tank) I called fitech, they said it was to close to a heat source or the float was stuck. I had the car diagnosed. It then sticks there and so runs wide open when started next time. The Engine Control Unit (ECU) dictates when the injector should inject fuel into the engine cylinder. The current is then reduced to a lesser value to keep the injector open. But even if it's closing when it should, seems the car shouldn't blow that much exhaust. Put them back in and had the same condition. fans and the FiTech unit can control 2 fans. Each injector contains an electric solenoid that, when turned on, lifts a valve off its seat and the injector sprays fuel. Now the big Bank 1 leak. So why didn’t I home in on the injectors initially?. You can also use an ohmmeter to test for an open or shorted coil inside the fuel injector. FiTech LS1/LS2 102mm Loaded Intake Manifold Kit. Improves Shifting Performance. On the other hand, the peak and hold design allows maximum current to flow just long enough to open the injector. What does that mean? This diagnostic trouble code (DTC) is a generic powertrain code, which means that it applies to OBD-II equipped vehicles. I had the injectors go bad on my duramax and there was no check engine light. 7 350 vortec l-31 bad injector cylinder 2 injector stuck open. Shop for more Fuel Injectors, Controls & Parts available online at Walmart. normal or open circuit 652 5 154 Engine Injector Cylinder #02 Current Below Normal Or Open Circuit 331 Injector Solenoid Driver Cylinder 2 Circuit - Current below normal or open circuit 654 5 155 Engine Injector Cylinder #04 Current Below Normal Or Open Circuit 332 Injector Solenoid Driver Cylinder 4 Circuit - Current below normal or open circuit. Check solenoid for proper resistance of 9-14 ohms at 20C (68F). I have an issue with one injector on a Go Street 400 unit. It was so common for FITech that they sent us a bag of 20 new injectors to just replace all of them on the units we were having problems with. A stretched out or damaged Throttle Valve "TV" Kickdown Cable can cause shifting problems or a possible transmission failure, so replace that old worn out stock cable with a brand new Performance Automatic Transmission "TV" Cable from AmericanMuscle. Then I guess let it sit a day or so, and then open all the injector lines and crank fuel back into the pump.
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