Symptoms of a Bad or Failing Air Filter

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The engine air filter is a common service component found on virtually all modern vehicles equipped with internal combustion engines. It serves the purpose of filtering the air coming into the engine so that only clean air passes through the engine. Without the filter, dirt, pollen, and debris can be ingested by the engine and burned inside the combustion chamber. This can not only cause harm to the combustion chamber, but it can also cause harm to the vehicle’s emissions components. Due to the amount of debris that the filter picks up, it should be inspected and replaced on a regular basis. Usually, when the air filter is in need of replacement, the vehicle will begin to display a few symptoms that can alert the driver.

1. Reduction in fuel mileage

One of the first symptoms that an air filter may need replacing is a reduction in fuel mileage. A filter that is highly contaminated with dirt and debris will not be able to filter the air efficiently, and the engine will receive less air as a result. This will reduce the efficiency of the engine and will cause it to use more fuel to move the same distance or speed as would otherwise be required with a clean filter.

2. Decreased engine performance

Another symptom of a dirty air filter is a reduction in engine performance and power. The reduced air intake from a dirty filter will negatively impact the efficiency of the engine. In severe cases, such as with a clogged air filter, the engine may experience a significant reduction in acceleration and total power output.

2. Dirty air filter

The best way to know if an air filter needs to be replaced is by simply taking a look at it. If, when the filter is removed, it appears to be significantly covered in dirt and debris on the intake side, then the filter should be replaced.

Usually, checking the air filter is a relatively simple procedure that can be done on one's own. But if you do not feel comfortable doing such a task, or it is not a simple procedure (as in some case with European vehicles), have it checked by a professional technician, such as one from YourMechanic. If needed, they will be able to replace your air filter and restore proper performance and fuel efficiency to your vehicle.


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Arturo

25 years of experience
42 reviews
Arturo
25 years of experience
Volkswagen Tiguan - Brake Pads Replacement (Rear) - La Jolla, California
Arturo was efficient and extremely professional. I'll refer him to friends and family and call him for any issues related to my car. I am very happy with the service!
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

Travis

11 years of experience
312 reviews
Travis
11 years of experience
Ford Explorer Sport Trac - Brake Pads Replacement (Rear) - Minneapolis, Minnesota
Travis is great! This is the second time he has come and serviced our truck. I recommend Travis for any service ned you may have!
Subaru Forester - Brake Pads Replacement (Front, Rear) - Rosemount, Minnesota
Thank you Travis for your fast, easy, honest work on my vehicle today!! The first thing you did upon arrival to my home was find me a discount coupon for $50 off my service estimate. You did only what needed to be done in record time. You not only saved me lots of money, but did things in a profession manner. I've been looking for an honest auto mechanic for my whole life and would love for you to be it!! Thank you, thank you, thank you!! You're the best!!!

Scott

32 years of experience
346 reviews
Scott
32 years of experience
Hyundai Sonata - Brake Pads Replacement (Front, Rear) - Denver, Colorado
Arrived on time and worked quickly. Gave me detailed information on his completed work and the details of my car. Answered all of my questions thoroughly.
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!

Nicholas

9 years of experience
251 reviews
Nicholas
9 years of experience
Lexus GX470 - Brake Pads Replacement (Rear) - Clayton, North Carolina
Nicholas texted me 30 minutes prior to arrival. Showed up on time as scheduled. He confirmed the work that I requested be performed. He completed the work, performed the road tested, and delivered my keys along with recommendations of other work that might be in my best interest. Was very pleasant, professional, and cleaned up after he was done. I was so impressed with the service he performed and the speed at which the services were completed. I have already scheduled a future service with Nicholas and will schedule any and all future repairs with him if he is available.

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