Although the air filter should be inspected upon every oil change, how often should it be replaced?
Answer Every 12,000-15,000 miles
In modern vehicles, a clogged air filter will not significantly affect fuel efficiency, but it can mean a significant decrease in acceleration (up to 11 percent). Replacing it once per year can ensure a vehicle’s top performance, but many can last for up to 30,000 miles.Check your owner's manual; it should tell you when your air filter should be replaced. This is generally every 12,000 to 15,000 miles, depending on your vehicle. If you have driven more than that since the last time you replaced the air filter, it's probably time to get it changed.
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