Quick Answer: How Often Do You Have To Replace Diesel Injectors?

What happens if a diesel injector fails?

Over time, diesel fuel injectors wear out and fail to close completely.

When this happens they cause a leak-down, resulting in a reduction of fuel pressure across the fuel rail.

This can cause a difficult- or no-start condition as well as a smokey exhaust..

How do I know if my diesel injectors are bad?

A few signs that your injector is going bad include:Poor engine performance or misfires.A check engine light comes on.Hard starting or poor idle – especially after the vehicle has been sitting overnight.Black smoke from tailpipes.Foul odor from tailpipes.You notice a decrease in fuel efficiency.

How many miles do diesel injectors last?

Every time you crank and run your car, the fuel injector will be used to provide the engine with the power it needs to perform. The fuel injectors on your car will typically last between 50,000 and 100,000 miles.

Can you replace one diesel injector?

When it comes to your diesel fuel injection system, a single injector is often the cause of an entire engine failure. This is why it is often best to replace multiple injectors at once. …

How much does it cost to replace diesel fuel injectors?

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.

Is it bad to run a diesel with a bad injector?

Left too long, a faulty fuel injector can cause serious engine damage that requires major repair. Avoid the cost and hassle by using Rislone Gasoline Fuel System Treatment or Diesel Fuel System Treatment every 3,000 to 5,000 miles, depending on the type of driving you do.