How do you get more miles per gallon of gas or diesel? The number one factor for increasing gas mileage is to keep up on your vehicles maintenance. With everyone leading busy life styles it is often easy to overlook car maintenance and by doing this you are often failing to get the best gas mileage.

When was the last time you vehicle has had a tune up? If it has been a few years or your vehicle is running or idling a little rough or your miles per gallon has decreased you may be wanting to schedule an automotive tuneup.

Tuneups quite often come with a diagnostic engine analysis. Spark plugs and air filters often are replaced one in a while corroded or cracked and defective spark plug insulation requires spark plug wires to be replaced. Usually gas and airflow adjustments are done.

It may be discovered that your diesel engine has a bad or defective glow plug or your gasoline engine has partially blocked or dirty fuel injectors that could make your engines performance suffer.

An engine diagnostic my uncover a faulty sensor or oxygen sensor that may need to be replaced to keep your engine running at peak performance and your emissions at minimal levels.

A weak battery my be discovered or a faulty alternator that may be drawing more current or putting a load on your charging system further impacting your gas mileage.

Most tuneups done in a reputable shop will result in an increase in gas mileage. You could expect to see increases of 40% if certain components are replaced.

If your looking to do it yourself on a few improvements properly inflated tires can improve gas mileage a few percent. Replacing a dirty air filter can increase gas mileage up to ten percent. Adding a fuel additive every few thousand miles can help keep your engine clean but always check your owners manual before using additives. These are just a few items you can do at home or on the road that can help you get more miles per gallon.