What happens if you miss a fuel injector?
Faulty fuel injectors on late-model cars will make their presence known by causing a cylinder to misfire. This is because on newer fuel-injected systems, the injectors work in sequence, and when the engine misses a dose of fuel, it won’t run smoothly and may suffer damage over time.
Why do fuel injectors last so long in older cars?
It’s less of a problem in older cars featuring simultaneous injection systems, because good fuel injectors can sometimes compensate for weaker injectors, allowing the engine to recover its sequence more quickly. Still, faulty injectors can’t be overlooked or ignored for long.
Can a worn out fuel injector cause preignition?
Dirty or worn-out injectors can also cause preignition or detonation [source: Carley ]. Detonation is a fairly common problem in which gas remaining at the end of the normal air/fuel burning cycle (which is set off by the spark plug) spontaneously combusts.
How can you tell if your diesel injector is stuck?
You’ll know if your EGR valve is stuck or malfunctioning because your car will experience symptoms like rough idling, lack of power and will produce black or white smoke from your exhaust. Diesel Injector blowing is caused by one or a combination of the following symptoms.
What does it mean when your fuel injector is not working?
Poor Fuel Mileage – A drop in fuel mileage can indicate that an improper amount of fuel is being delivered to the engine. It may be the result of a fuel injector leak or an injector that is not closing. By recognizing the problem and symptoms, you are better prepared to diagnose your injector problem.
Can a clogged fuel injector be repaired quickly?
Clogged injectors can usually be repaired, if you catch the problem quickly. Sometimes a fuel injector is completely clogged, because of years of neglect or a lack of regular engine servicing. If this is the case then a refurbished replacement, may be the only option.
What causes fuel injectors to get gummed up?
Injectors also get gummed up with varnish and gunk which formed when fuel is left in the tank for long periods of time. How to unclog clogged fuel injectors. Although there are many products such as injection cleaning additives that claim it can clean or unclog a clogged fuel injector while it is in the engine, they cannot.
How long does a fuel injector last in a car?
So, the fuel injectors on your car will last for between 50,000 and 100,000 miles. But, if you need to replace the old fuel injector with a new one, on a do it yourself basis, with intermediate skills, it will take you between 1 to 2 hours. This guide is for an Engine Fuel System vehicle.