If you've noticed your fuel system isn't as efficiently putting gasoline to use as it did previously, a fuel injector cleaner can help restore your lost efficiency. These cleaning agents can deliver better gas mileage, helping keep gas moving smoothly through the fuel system and eliminating clogs or other problems.

When should you use fuel injector cleaner?

Generally, you can use fuel injector cleaner every 1,500 to 3,000 miles. Many people like to use fuel injector cleaners whenever they get an oil change, as it's easy to remember. Another way to know when to clean your fuel injectors is to look out for signs of a clogged fuel injector.

Is fuel injector cleaner necessary?

CARS.COM — Cleaning fuel injectors is a service frequently recommended by dealers and repair shops. But unless there are noticeable signs of clogged fuel injectors (such as a rough idle, stalling, poor acceleration or high emissions levels), it might not be necessary.