In general, they're expected to last a pretty long time. Both Bosch and Delphi, two major manufacturers of automotive components, say their fuel injectors have a life expectancy of 1 billion cycles. Essentially, that means that the fuel injectors should last as long as the car does.

At what mileage do fuel injectors go bad?

Some fuel injectors are rated to last one billion cycles or approximately the lifetime of the vehicle. But when you factor in the adverse conditions experienced in real-world driving coupled with a lack of proper maintenance, most fuel injectors might need to be replaced every 50,000 to 100,000 miles.

Do fuel injectors wear out?

In general, fuel injectors are hard wearing and with a little care, can often last; the life of the engine. Like any other engine part, regular maintenance is the key, to keeping them going. If you plan on running up high mileage on your car; then there are a few things you can do to help.

How much does it cost to replace a fuel injector?

Depending on the make and model of your car, the average fuel injector replacement cost will run you about $800 to $1,450 for a full replacement. If you have the knowledge to do the replacement yourself, the parts alone are around $600 to $1200, while the labor cost is only about $200 to $250.

Related Question how long do fuel injectors last

How often should fuel injectors be cleaned or replaced?

We recommend cleaning fuel injectors at least every 36 months or 45,000 miles. Consider it a tune up for your fuel system- it's really amazing the difference people experience after having a fuel injection and throttle body cleaning on a car that has gone more than 60,000 miles without those services.

Is it OK to drive with a bad fuel injector?

While fuel injector problems usually give warning, driving your vehicle for a long time with a clogged or faulty fuel injector can cause problems. Increased fuel consumption. A noticeable increase in tailpipe smoke and emissions. Rough idle and hesitation during acceleration.

Do new fuel injectors make a difference?

Changing fuel injectors is not a “plug-and-play” performance upgrade, such as installing a low restriction air filter. It's something that requires knowledge about how the fuel delivery system works. In fact, upgrading fuel injectors may actually decrease the engine power if done incorrectly.

Will a bad injector throw a code?

One of the obvious symptoms of a clogged fuel injector is the lighting up of the "Check Engine" light in your dashboard. The fault codes usually associated with a clogged fuel injector can range from misfire codes to lean codes.

Do bad fuel injectors make noise?

As with misfiring, this is normally down to the injector nozzles being clogged with particles, which interfere with the atomisation and spray of the fuel. Several faults can cause a rough idle noise, including a bad spark plug or a dirty air filter, but clogged injectors are one of the most common reasons for this.

How do I check my injectors?

What causes fuel injectors to crack?

When there is a lack of fuel in the injector (or air in the system), the needle violently slams shut against its seat, which can quickly lead to the formation of cracks.

Can you replace one fuel injector?

Yes, you can replace just one of the fuel injectors in your vehicle. If you are facing a problem with an injector, you can swap it for a good cylinder.

Is it easy to replace fuel injectors?

Replacing a fuel injector seems like a daunting project, but with a little skill you can do the job yourself and save serious money. Shops charge a huge amount for fuel injection work. If you know that you have a bad injector, the job can be done at home.

Is injector cleaner worth it?

But the truth is that carbon buildup is a real problem that requires using fuel injector cleaners. If you are having a hesitant engine, then it's worth trying out a good injector cleaner. Reduced acceleration and fuel efficiency. The modern fuel injectors run on close tolerances through which pressurized fuel is pushed

How do I know if my fuel injectors are clogged?

  • Bumpy Idling. Rough idling is a sign that your automobile's engine is not getting enough gasoline, and one reason why it might not be getting enough gas is that your fuel injectors are clogged.
  • Dancing RPM Needle.
  • Dead Engine.
  • Low Gas Mileage.
  • Misfiring Engine.
  • How do you clean fuel injectors yourself?

    Does running out of gas damage fuel injectors?

    Problems Running Out of Gas Can Cause

    Even if the fuel pump remains intact, it is possible it will suck sediment that has collected at the bottom of the gasoline tank into the fuel line, and that can clog the fuel filter or, even worse, find its way into one or more of the fuel injectors, clogging them.

    What problems can a bad fuel injector cause?

    A faulty fuel injector can cause the vehicle to experience misfires, a loss in power and acceleration, a reduction in fuel efficiency, and in severe cases can cause stalling or prevent the engine from running at all.

    How much does it cost to get your fuel injectors cleaned?

    According to Angie's List, the average cost of a fuel injector cleaning ranges between $50 and $80. However, these figures could be a bit higher, depending on the make and model of your vehicle. In addition, you may be assessed a fee of around $50 if your fuel filter needs to be replaced.

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