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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).
White light when you back up - yup, they burn out and you can replace them with bright LEDs2002 Audi A4 Quattro 1.8L 4 Cyl. Turbo
Burnt out brake lights increase your chance of getting rear ended - check and change yours today2002 Audi A4 Quattro 1.8L 4 Cyl. Turbo
Small bulbs that burn out regularly - did you know you can replace these with LED lights?2002 Audi A4 Quattro 1.8L 4 Cyl. Turbo
On many cars, the high beam bulb runs at reduced power during the day - check 'em and change 'em!2002 Audi A4 Quattro 1.8L 4 Cyl. Turbo
Got a short fuse? Don't blow a fuse, change it!2002 Audi A4 Quattro 1.8L 4 Cyl. Turbo
Sure you can take it in for a $19 lube, but are you OK with a stripped oil pan and cheap parts in return?2002 Audi A4 Quattro 1.8L 4 Cyl. Turbo