If your diesel hesitates to accelerate or has been losing power, then you could be experiencing stiction within your engine. If you notice slow starting or accelerating, a drop in your MPG or any bucking or chugging, especially on cold mornings from the engine, it’s likely that stiction is the culprit. There are several causes, such as stiction, debris or engine blow-by, that could be responsible. The elements of an injector are well crafted and can perform for the life of the engine.
This is where the “failed” injector myth comes into play.
#EXTREME INJECTOR HAS STOPPED WORKING CODE#
Many mechanics may recommend replacing the injectors after the failure code is triggered. If the PVC system or air filter doesn’t capture it, this residue could reach your fuel injectors causing stiction.īy knowing some of the common causes of diesel injector problems, you can begin troubleshooting these issues to restore your injectors and increase their longevity for your vehicle. Engine blow-by: Engine blow-by is oil and fuel residue that blows by the pistons and into the crankshaft.If your choice of fuel has too many impurities or debris, they can reach your fuel injector and clog it. Poor fuel quality: Another common cause of injector failure is using low-quality fuel.Debris can often clog the nozzle or cause the nozzle to get stuck. Debris: Sometimes dirt, rust and other types of debris can find their way through your fuel system into your injectors.This issue is especially common in many Ford diesel Powerstroke models and could likely be the cause of your Ford injector problems. This residue can hinder the injector’s ability to deliver the fuel to the engine efficiently. Stiction: The gummy residue known as stiction is commonly the culprit in failed injectors.Here are a few common causes that could be behind your Powerstroke injector problems: There are a couple of reasons that you might see a failed injector diagnosis from your engine. This issue could cause the “check engine” light to turn on. Sometimes a clogged or faulty injector can cause the engine to misfire because a cylinder isn’t receiving the fuel it needs to run properly. When the excess oil breaks down, it leaves a sticky residue inside the injector known as stiction. This high-pressured process exposes the oil to a high temperature, which pulls excess oil into the injector. The design of some HEUI injectors incorporates oil to pressurize the fuel and lubricate other areas such as the piston, o-rings and the springs.
Since the introduction of the 7.3L Ford Powerstroke in 1994, injectors have been commonly relying on oil pressure to fire the piston via the HEUI fuel system.
Usually, there is one fuel injector in each cylinder. They can help with optimizing the fuel and regulate the timing of fuel injection into the engine. A fuel injector is responsible for receiving and spraying gasoline or diesel into the engine. The right fuel-to-air ratio is essential for the engine to run efficiently and smoothly, and this is where injectors come in handy. Check out our guide below to learn more about injectors, common causes failed injectors and how you can address them. Fortunately, there are a few solutions that can help you fix common diesel injector problems instead of replacing the injector entirely. A failed injector diagnosis can be a costly experience and may lead many vehicle owners to completely replace the injectors.