Your engine may also not have enough oil if you are having trouble starting or maintaining power. Replace your 6.0 EGR cooler online if the engine is running too hot. If the mixture is too hot, it could damage the fuel injectors. The EGR cooler is designed to reduce the temperature of the exhaust-gas mixture before it reenters the combustion chamber. You may notice similar symptoms if the exhaust gas recirculation system has failed. However, the injectors may not be the source of the problem, especially if you have yet to reach 100,000 miles. You will encounter a range of problems behind the wheel if your fuel injectors are on their way out, such as rough idling, no start, hissing sounds, no power or sudden loss of power and poor fuel efficiency. Replace Your Diesel Parts as Needed for Better Fuel Efficiency Additional Factors to Consider Remember to change these according to the manufacturer’s guidelines to keep your fuel system as clean as possible. The fuel filters in your engine are designed to filter out any impurities in the fuel. These sediments will also rise to the top of the barrel, so avoid filling up if the station just received a fresh batch. Temporary fuel sites tend to be more vulnerable to dirt and debris. It’s best to use premium fuel whenever possible. They may also cause them to rust or corrode, chipping away at the core components of the injector, such as the nozzle or solenoid valve. If you use low-quality or contaminated fuel, the excess water or dirt can clog the fuel injectors. If the vehicle computer can’t successfully send a signal to the receiver, the injector will fail to fire.įind Replacement Diesel Fuel Injectors to Keep Your Engine Runningīad fuel can also be a cancer to diesel fuel injectors. The electrical component of the injector is often the most vulnerable. The rubber seals around the injector may start to degrade over time, causing fuel to leak into the exhaust. Fuel may start to leak out of the injector if the valve stays open, which can cause the engine to misfire. With all that fuel passing through the injector, carbon will start to build up inside the solenoid valve, which prevents the injector from opening and closing properly. It then passes through the spray nozzle where it is injected into the chamber as a fine mist. The high-pressure fuel enters the injector through the solenoid valve, which closes and opens, depending on operating conditions. The injectors are controlled by the vehicle’s internal computer, which issues an electric signal to the injector, causing it to fire. There is typically one injector per cylinder. The fuel injectors perform a series of actions in order to inject fuel into the combustion chamber. Shop for IPR Valves by Make and Model The Main Reasons Diesel Fuel Injectors Fail So, what causes diesel fuel injectors to fail? Use this guide to find the source of the problem so you can maintain your fuel injectors before they stop working altogether. If they get stuck or lose their ability to fire, the engine will either misfire or fail to start. These crucial components feed high-pressure fuel into the combustion chamber so the engine can generate power. After that, it’s usually only a matter of time before they break down. The fuel injectors in your diesel engine should last up to 100,000 miles or more. Fuel Injector - Light / Medium Vehicles.
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