As part of Oil n Go's 17 Point Super Service Oil Change, we check and adjust tire pressure, transmission fluid level, worn belts and hoses and other maintenance items that can affect gas mileage and performance. Oil n Go offers these fuel saving services:   17 Point Oil Change   Tune-Up   Fuel System / Injector Cleaning   Install new fuel filter   Replace worn belts and hoses   Install new spark plugs   Brake inspections Gas mileage tips from the U.S. Department of Energy:* Keep your engine properly tuned. Properly tuned engines can improve fuel efficiency by an average of 4% or $.10 cents/gallon.     Fixing a vehicle that is noticeably out of tune or has failed       an emission test can improve gas mileage by 4%.     Fixing a serious maintenance problem, such as a faulty       oxygen sensor, can improve your mileage by as much       as 40%. Keep tires properly inflated. Properly inflated tires can improve gas mileage by up to 3% or $.06 cents/gallon.     You can improve your gas mileage by 3.3% by keeping       your tires inflated to the proper pressure.     Under inflated tires can lower gas mileage by 0.4% for       every 1 psi drop in pressure in all 4 tires.     Properly inflated tires are safer and last longer too. Use the recommended grade of motor oil.     The recommended grade of motor oil can improve gas mileage by up to 2% or $.04 cents/gallon.     You can improve your gas mileage by 1-2% by changing your oil according to your vehicle manufacturer's       service schedule and using the correct grade of oil. *Source: The Department of Energy. For more information, visit their website at: www.fueleconomy.gov