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The engine air filter in your 2003 Buick Regal cleans the air that enters your engine. Checking and replacing the air cleaner in your 2003 Regal at least once a year will help you get better gas mileage. A dirty air filter will cause your Regal to lose 1 - 3 mpg; depending on your driving, you can improve your fuel economy and 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 Regal and how to check it!
In addition to improving the fuel economy of your Regal, replacing your air filter will improve the performance of 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 air filters for your 2003 Regal so you can easily replace it with a new one if it is dirty.)
Low coolant levels is all to common - top yours up today2003 Buick Regal LS 3.8L V6
Properly inflated tires is the easiest way to improve fuel economy. The right tire pressure is NOT on the side of your tire btw2003 Buick Regal LS 3.8L V6
See how to seal up minor power steering fluid leaks2004 Buick Century Custom 3.1L V6
White light when you back up - yup, they burn out and you can replace them with bright LEDs2003 Buick Regal LS 3.8L V6
Avoid tickets and accidents with both working headlights! New bulbs are much brighter too2003 Buick Regal LS 3.8L V6
Odd electrical problems that come out of nowhere can often signify a blown engine fuse - check and change yours here!2003 Buick Regal LS 3.8L V6