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How to tell when you need a new air filter.

TopicsGeneral Maintenance › How to tell when...

How to spot symptoms of a dirty air filter.

Check your owner’s guide for instructions on removing your air filter. If you see dirt or debris in the filter, it may be time for a new one. Dirt and dust can clog the filter and break down your oil, reducing performance.

Your air filter might need replacement if you:

  • Feel decreased engine performance
  • Experience jerky or slow acceleration
  • Experience reduced gas mileage
  • Hear coughing or spitting when your vehicle is idling


If any of these symptoms occur, you should schedule an appointment at Jennings Anderson Ford in Boerne, TX.