Auto »Air filterPrevious5 of 7NextAir filterFunction: It filters the air coming into the engine. Dirty filters reduce gas mileage, especially on cars that are 10 years or older.DIY difficulty: Easy.Previous5 of 7Next
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Function: It filters the air coming into the engine. Dirty filters reduce gas mileage, especially on cars that are 10 years or older.
DIY difficulty: Easy.
More On Cars:
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