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The engine air filter in your 2002 Audi A4 Quattro cleans the air that enters your engine. You should change the filter on your A4 Quattro at least once a year or every 20,000 miles, whichever comes first. If you drive in dusty or sandy conditions, you should change your filter more frequently. A dirty air filter will cause your A4 Quattro to lose 1 - 3 mpg, depending on your driving, you can save 70 - 100 gallons of gas per year simply by changing your filter regularly. The video above, shows you where the engine air filter is located in your A4 Quattro and how to change it!
In addition to improving the fuel economy of your A4 Quattro, regularly replacing your air filter will put less strain on your engine. These filters are fairly inexpensive, so check out our parts page for great deals and coupons on a new one (tip: buy several, when you go to check the filter on your A4 Quattro, you can easily swap it for a new one if it is dirty).
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Stop! Checking your brake fluid from time to time is a great way to ensure safe stopping2002 Audi A4 Quattro 1.8L 4 Cyl. Turbo
Dirty cabin air filter cause undue wear on your car's heater and AC and can cause bad odors2002 Audi A4 Quattro 1.8L 4 Cyl. Turbo
Properly inflated tires is the easiest way to improve fuel economy. The right tire pressure is NOT on the side of your tire btw2006 Audi A4 Quattro 2.0L 4 Cyl. Turbo
There's no reason to check the washer fluid level without adding some - see how to do it here!2002 Audi A4 Quattro 1.8L 4 Cyl. Turbo