What Does the Dirty Air Filter Warning Light Mean?

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Internal combustion engines require a decent amount of air in order to keep themselves running. Unfortunately, things like dust and pollen in the air are not good for your engine. This is where the air filter is essential in collecting any debris floating in the air and preventing it from getting inside your engine.

Over time, all the collected debris will clog up the filter reducing airflow into the engine which in turn reduces performance. To help maintain your vehicle, the computer monitors the amount of air going through the filter and into the engine. If it detects reduced airflow going into the engine, the computer warns the driver with a light on the dash.

What the dirty air filter warning light means

This dashboard light only has one function, to warn the driver of reduced airflow into the engine. If this light comes on, you should have the air filter replaced or at least inspected. Once the filter is replaced, you may need to turn the warning light off using a reset button. Refer to the owner’s manual of your car or perform an online search to find the location of the button.

If a new filter and resetting the button doesn’t turn the light off, then there is likely a connection issue somewhere that is throwing a false positive. Have a certified technician inspect and test the connections and wires associated with the air filter minder.

Is it safe to drive with the dirty air filter warning light on?

Yes, this light indicates reduced airflow which should only affect your gas mileage and performance. You can still use the car normally, but you will need to get the filter replaced at the earliest. Lower gas mileage makes the car more expensive to run so keeping the air filter maintained can help you keep money in your wallet.

Your vehicle’s manual should tell you how often the filter should be replaced so you have idea of when you’ll need to replace it. If you’re experiencing any issues with your air filter, enlist one of our certified technicians to help you diagnose the problem and replace it.


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Rigoberto

9 years of experience
706 reviews
Rigoberto
9 years of experience
Chevrolet Equinox - Brake Pads Replacement (Rear) - Niles, Illinois
Rigo was great! He got there early, finished the job early, left everything clean. He changed my rear pads and rotors. The original quoted time was 90 minutes, he was done in about 60. He knows what he is doing and I am recommending him to all my friends and coworkers.
Mercedes-Benz C250 - Brake Pads Replacement (Front, Rear) - Chicago, Illinois
Rigo is a maverick hands down. Don’t take your car for work elsewhere. Especially great at Mercedes—this guy knows his profession! I will be using him for everything related to my car going forward.

Arturo

25 years of experience
35 reviews
Arturo
25 years of experience
Kia Forte - Brake Pads Replacement (Front) - San Diego, California
ARTURO is great! very professional , fast, replaced my front brake pads and oil an filter change. everything now works and works well. Brakes have much improved stopping power and engine is smooth and quiet.Arturo is also kind and thoughtful. "Your mechanic" is very fortunate to have Arturo Lopez represent your company. I enthusiastically recommend him and "Your mechanic> as a fine operation Best regards to the Team Peter Marto
Nissan Maxima - Brake Pads Replacement (Front, Rear) - San Diego, California
Arturo was prompt and completed my brake repair, including new rotors in a very efficient manner. I am very pleased with the quality of the work and the parts and will definitely look to have him service our other car in the near future.

Scott

32 years of experience
345 reviews
Scott
32 years of experience
Lexus IS250 - Brake Pads Replacement (Rear) - Denver, Colorado
Always on time, speedy, professional, and pleasant to interact with. The work is always consistent and we'll done. I can't reccomend Scott highly enough!

Michael

10 years of experience
15 reviews
Michael
10 years of experience
Nissan Sentra - Brake Pads Replacement (Front) - Conyers, Georgia
He was promptly on time and got the job done efficiently in a timely manner. I really appreciate the rapid respone on getting the job done! I would most definitely use this service again.

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