As gas prices continue to escalate you may be looking for ways on how to improve gas mileage. If you are finding ways to improve gas mileage or increase fuel efficiency there are many do it yourself solutions that you should consider as part of your standard vehicle maintenance. Doing a tune up could improve gas mileage up to 20% or more if a faulty oxygen sensor is found. This is extreme but if your engine is idling roughly or hesitating and spiting smoke out the tail pipe then you should and get a full engine tune up you should increase gas mileage and possibly improve the life of your engine saving hundreds or thousands of dollars in future repairs. Checking your tire pressure could save money. Some people overlook this maintenance and it is best checked monthly. By keeping your tires at recommended pressure as outlined in your owners manual you can get better gas mileage of 2-3%. The net results is you could save hundreds of dollars of more because when your tires are inflated properly it also extends the life of your tires. Your driving habits can have a real affect on gas mileage. Driving habits could include finding the shortest way to work or the route that is the most direct and has the least amount of stops to your destination. If you have been asking yourself how to improve gas mileage this is a major factor. Check with a free online map service that shows you direct routes. have you ever used your truck or car trunk as a mini storage unit? By removingg every 100lbs in your vehicle you may be increasing gas mileage by a percentage point. a few people are so extreme in this extra weight that they may only keep their gas tank partially filled to remove weight. Gas weighs around 6.1 pounds per gallon. If your are finding ways on to improve gas mileage there are many solutions to help help increase fuel economy.