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The Importance of Regularly Changing Your Air Filter

There are many benefits of changing your air filter regularly; better gas mileage, reduced emissions, improved acceleration, increased engine life and overall improved drive-ability. For each gallon of fuel burned, the engine uses up to 10,000 gallons of air; which is why your air filter needs to be changed to keep your engine running well.

Every internal combustion engine requires a mixture of fuel and air to operate properly. Without air (oxygen), the gasoline or diesel fuels can’t burn and provide the energy needed to power the engine. The air that is used by the engine needs to be cleaned before it enters the engine, otherwise dirt, dust, and debris accumulates and can cause poor engine performance. As dirt and dust are allowed in the engine, they rub on the essential metal parts of the engine causing them to wear away and eventually they will have to be replaced. Once your air filter is replaced, airflow goes back to the proper level to mix with the gasoline. It has been estimated that replacing the dirty air filter will also increase MPG on the car up to 10% and also generate a fuel savings of close $.15 per gallon at the fuel pump. Because debris is prevented from getting into the internal engine parts, the life of a car’s motor is extended. It costs a lot less to replace a dirty air filter regularly, than it does to replace the parts of the engine it protects.

You can find information about how often to replace your air filter in your vehicle’s owner manual. General guidelines suggest replacement every 12,000 to 15,000 or once a year. If you live in a dusty area or travel often on dirt roads, you may need to have it replaced more often. Just like we need clean air to breathe, your engine needs it to run smoothly and function efficiently. Stop by Koester Automotive and Collision Center to have your air filter checked by our expertly trained technicians. It is a quick and affordable fix that will make all the difference in your engine’s performance.

Koester Automotive and Collision Center is a full-service auto repair shop providing expert automobile services for foreign & domestic cars


Proudly Serving Sherman Oaks, Encino, Studio City, Tarzana, Woodland Hills, Valley Village, Sun Valley, the San Fernando Valley and surrounding areas!

15315 Dickens St. Sherman Oaks, CA 91403- (818) 986-7376 –