Maintain the air filter in your car by cleaning it every 5,000 miles. You can also get in the habit of cleaning the air filter every time you do a big clean of your car or check under the hood. Keeping the air filter clean will ensure it works properly., Over time the air filter can become worn out and needs to be replaced. If the air filter has been in your car for 15,000 miles or more, it may need to be replaced. If you notice the air filter is not working properly, despite cleaning it, it may be time for a replacement.You can buy replacement car air filters online or at your local autobody shop.
 If you are uncomfortable getting under the hood of the car, you may have a professional mechanic do this during a tune up of your car. The mechanic can inspect and clean the air filter for you, for a fee.
Clean the air filter regularly.
Replace the air filter after 15,000 miles.
Have a professional check the air filter.
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