When the ECU detects the fault in the reductant injector circuit, it will set the P208E code and the Check Engine Light will be displayed on the dashboard. I don't want to push much harder for fear of bending the pintle. The one that's stuck closed was a little rusty at the tip. Also, I was thinking the same thing, injector is stuck. Deposits can form on the fuel injectors from fuel droplets that evaporate after the engine is shut off. MF mechanic said to set STOP/RUN in RUN, Throttle wide open, gently tap the end of the pump with a hammer BUT be prepared to kill engine by plugging air intake as the fuel rack could stick in … Poor Fuel Mileage – A drop in fuel mileage can indicate that an improper amount of fuel is being delivered to the engine. In modern common rail diesel engines, fuel pressures … With age, the spool valves weaken, don’t drain quickly enough, or suffer a buildup of motor oil varnish, and then lose the ability to pull the valve open and closed fast enough to deliver fuel in the … If you run into any problems, contact your local Ford dealership for assistance. Why is the Engine Light ON? The causes are, injector bad and stuck on, ECU bad if only 1 injector leaks, Injector wire shorted to ground. One or more cylinders are not firing. What is OBDII? That may include but is not limited to vehicles from Mercedes Benz, Sprinter, GMC, Chevrolet, Ford, etc. When the needle valve is opened, fuel under enormous pressure is sprayed into the combustion chamber. Exhaust Aftertreatment Fuel Injector A Stuck Closed What does that mean? ENGINEMAN 1 & C and the manufacturer. What Tools Do I Need To Test The Fuel Injectors? The injectors 5, 7 came out smoothly with little issues. If this is the case then … The other was on my carwhen it descided to stick open and stall out the engine. How to repair P208e Ford code Reductant Injection Valve Stuck Closed Bank 1 Unit 1 The Reductant Dosing Valve (Reductant Injection Valve) is used to meter and atomize the reductant liquid before it is mixed with the exhaust gas. 8,568 Posts #2 • Mar 8, 2017. Fuel Smell – A faulty injector will cause a fuel smell since it is leaking. ©2020 BlueSpringsFordParts.com. I would start by ohming out the … Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins. If it clicks, then it is not stuck. This will cause the injector to leak fuel. Stuck Open Fuel Injector (how to fix) If playback doesn't begin shortly, try restarting your device. How does the OBDII works? By the time I woke up at 3pm, the dealership found it was a stuck open injector and already replaced the injector and had the truck running. I myself would have no problem taking it on that trip as the chances of the engine misfiring enough to cause converter damage are fairly slim on a 900 … Mechanic told me to replace the fuel injectors, that they are bad. Mechanic said that there should still be a light on that wire even if the injector is stuck, because it will light up to try to send power to the injector whether or not the injector is stuck or not. There's a small spring and piston in the regulating valve. sticking injector is a possibility or something mechanically wrong with a cylinder or two. It was not the injector that had bad seals it was the injector pump. Videos you watch may be added to the TV's watch history and influence TV recommendations. Another simple test you can do at home is to test the resistance across the electrical contacts … Ask Your Own Medium and Heavy Trucks Question . the injection of DEF Fluid into the exhaust stream brings … An injector that is stuck closed will give you a reading of 200 to 250F, and one that is stuck open will cause the temperature to rise up to 600F or more. This residue can clog the injectors, impeding the spray. Not sure if that's your problem but it's easy to check. Damage can occur to fuel injectors at any time, but it is more likely to occur near the end of their lifespan. (pro tools … Here’s the data I sent out or carried to prospective shops: Tractor Oliver 550 Year 1960 Spec. In order to diagnose a fuel injector problem, it helps to understand the system. While the engine is warm, use a laser thermometer and point it at the exhaust manifold pipes. Fuel injectors are resilient and does not often need replacement. I do not believe this since i recently replaced the injectors. Fixing Bad Fuel Injectors . Your fuel rack is probably stuck in the shut off position, happens a lot with those CAV pumps, check youtube for video on unsticking MF or Ford with CAV rotary pump. etc. Reductant Injection Valve problematic; Reductant Injection Valve circuit wiring and connector issue The Injector needs to pass the NOID light test., using any NOID test lamp. After hours of prying, using a the Schley injector puller (only to have it bend immediately), and using a slide hammer to try and coax it straight out, it's still stuck in there. In modern common rail diesel engines, fuel pressures … Fuel injectors are known to develop holes as a result of old age, which makes the oil to be leaking out of the opening and onto the injector’s body. An injector that is stuck closed will give you a reading of 200 to 250F, and one that is stuck open will cause the temperature to rise up to 600F or more. When the leak down occurs, the engine has to spin over for an excessive period of time in order to re-prime the injection system. Fuel Injector Sound – By using an engine stethoscope, you can listen to your car’s engine. This is usually caused by a dirty fuel injector. just kidding, yeh i would think that would be your problem them....????? Secondary Air Injection System Switching Valve Stuck Closed Bank 1. Most modern gasoline engines are of multiple-cylinder design, typically four to … Reductant Injection Valve problematic; Reductant Injection Valve circuit wiring and connector issue Ya im pretty sure I found the injector that is stuck open but can you tell by looking at the injector if anythings wrong with it? While every effort is made to ensure accuracy, we can not be held responsible for any repair information offered on our website. ?sounds odd maybe timing related or MAF related too. I would like to hear opinions about finding a stuck open injector. I peered into the #3 cylinder and the top of … What the P2441 code means. Both read about 2.6 ohms, ironic I know. Clogged Fuel Injectors – Many things can clog up the fuel injectors. It arrives via a nozzle that is opened and closed with a needle valve.The opening and closing of the valve is operated by a solenoid. The powertrain control module does have certain strategies that will turn off the fuel injector for the cylinder(s) that are misfiring, but the misfire has to be fairly severe and somewhat constant for the injector to be shut off. If it can't open, it can't deliver fuel. Codes showed misfires in 7 of the 12 cylinders. The injector that is stuck was on his side that he was working on. If it's stuck open it will be obvious. This diagnostic trouble code (DTC) is a generic powertrain code and applies to many OBD-II vehicles (1996-newer). Without a properly operating fuel injector system, you will not get the right amount of fuel to your engine, so if you start to see any of these signs, you need to take measures to correct the problem as soon as you can. That may include but is not limited to vehicles from Mercedes Benz, Sprinter, GMC, Chevrolet, Ford, etc. Strong fuel odor It can become a crusty coating on the injectors because of the heat within the engine. Place the tip onto the injector, and if you hear a sharp clicking sound, they are operating properly. That's the same reading I get from good injectors. I know hydrolocking a engine can bend rods and hammer bearings. Leaking Fuel Injector. no, you can remove the fuel rail and injectors without removing the upper intake. Crank Time. A dead injector will cause the engine start and operate when it is cold but not when it is warm. The Injector coil (inside ) 2 pins must read near 1 ohm, (never 10 , never infinity ohms) Using any resistance lowest range scale of any multimeter DMM. I could try leaving them in the sonic cleaner for a day. The same, only worse has happened on the drivers side. Sometimes Injectors Get “Stuck” Closed After Sitting Around Too Long: Use a small 9 volt battery to check for stuck injectors before installing them in an engine. Just listen for a click. Leaky Fuel Injector – If a fuel injector overheats and fails, it will cause a leak. Uneven Idling – If your engine is not idling smoothly, there can be an uneven distribution of fuel to the engine. You always want to be conscious of the following symptoms, but you should be especially attentive as your engine ages. OBD-II Code Powertrain Control Module (PCM) failure is defined as a Reductant Injection Valve Stuck Closed. Then one at a time disconnect the pigtail to each injector and see if the smoking/knocking stops, if so you've found the bad hole. Sometimes Injectors Get “Stuck” Closed After Sitting Around Too Long: Use a small 9 volt battery to check for stuck injectors before installing them in an engine. 2 came out without issue, but 4 didn't even … How to Reset MIL; 5 Most Common … What it is wrong, is the Injector 1 or more injectors are stuck on. A faulty injector may also inject too much gasoline into the engine, wasting gasoline and lowering fuel economy. Once automotive manufacturers decided to build their engines with fuel injection, they saw an increase in fuel efficiency and fewer pollution-causing emissions. For a better experience, please enable JavaScript in your browser before proceeding. Whether you are a DIY trying to fix your own car, someone looking to become an auto technician, or a current auto technician that wants to get … Odor and Temperature: An injector that is stuck open or partially closed will emit an unburnt fuel odor in the engine compartment. There must be a balanced mix of air to fuel in order to get an efficient mix. Dirty Fuel Injectors - Residual fuel additive that is not dispensed within the manifold can leave a film on the fuel injectors. The aftertreatment purge air actuator is used to purge the aftertreatment fuel injector system of fuel after active regeneration of the aftertreatment diesel particulate filter. It could be, a poor connection or wiring problem at or to the #3 fuel injector. If the dealership thinks its ok, should I just not worry about it since I have 60k miles of warranty left? After checking a bunch of stuff (details below), I pulled one of the injectors and removed the pintle protection cap. Turn the injector clockwise and counterclockwise, if possible, to disperse the lubricant. The fuel injector(s) are controlled by the injector driver(s) in the ECM (engine control module). If it is stuck, a light tap on the body of the injector can usually free it. Does rubbing alcohol clean fuel injectors? Read everything I could on replacing the injectors, watched youtube, followed torque specs. Place the tip onto the injector, and if you hear a sharp clicking sound, they are operating properly. An injector that is stuck open or partially closed will emit an unburnt fuel odor in the engine compartment. In order to burn off those particles, the temperature of the exhaust system needs to increase. The following brief description of the procedures for equipment made by two different manufacturers emphasizes some of these similarities, and further emphasizes the need for following only the procedures indicated in the appropriate manufacturer’s technical manual. A winding can short out, overheat or break. So far I have checked that: I have spark at the plug I have good … Need replacement or repair of injector pump / pump head. Ok I guess it's just a matter of time ,but what angers me is I just had a 7th injector put on during a routine … You can start by removing the fuel rails and detaching each injector from the rail. Important to note that sitting on a leaking fuel injector is a potential fire hazard and can bring on excess damages to your vehicle. The more fuel that the engine is demanding, the longer the valves controlling the mist stay open, which is defined as "pulse width.". A forum community dedicated to Ford Mustang owners and enthusiasts. When the nozzle needle stuck in the closed position, there will be a regular in the vicinity of the cylinder head knocking sound, which is due to fuel injection pump when the pressure wave shock caused by the injector. If fuel pressure is too high, say near 55-60 PSI, the pump regulator is bad, stuck closed, this will cause flooding or very rich running conditions. I could try leaving them in the sonic cleaner for a day. Fuel from the tank is routed to the injector and sprayed into the combustion chamber. Exhaust Manifold Temperatures – If you have an open fuel injector, the fuel is not controlled, so it continues to spill out where it overheats. Engine Power Inconsistency – An engine that revs high or low and an RPM gauge that fluctuates can be a result of a dirty fuel injector. Fuel Injector Sound – By using an engine stethoscope, you can listen to your car’s engine. The exhaust fuel addition injector assembly is mounted on the outlet of the turbocharger sub-assembly, and low-pressure fuel is supplied to the exhaust ☰ Find a Shop. One that’s stuck partially open can cause a loss of fuel pressure and will allow raw gas to leak into the cylinder. Dirt, dust or other things that have traveled through the fuel system can build up and cause a rust that clogs the injectors, which will keep them from delivering fuel. The tractor was not a 1952 model but a 1960. Diesel Exhaust Fluid (DEF) is used to assist in converting leftover exhaust particles to harmless gases.
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