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7 Possible Reasons Why You Are Getting Poor Gas Mileage

When it comes to fuel economy, we want to save some money and get the most out of our gas. If you don’t appear to be getting the overall gas mileage you desire, there can be several reasons behind the problem. It may be an internal issue or your driving habits affecting your subpar gas mileage. Here are seven potential issues to consider when it comes to your mileage.

1. Tire Pressure

If your wheels are not at the recommended air pressure, your MPG will drop. This is the case whether they are underinflated or overinflated. The sticker on the panel inside your driver’s side door will indicate the ideal air pressure for your wheels. 

2. Air Filter

If you are rocking an air filter that is old and filthy, the engine won’t get enough clean air to burn the gasoline efficiently. Fortunately, air filters are a simple and inexpensive replacement!

3. Oxygen Sensors

Most automobiles have various oxygen sensors to measure the air intake and emissions output. If the sensor fails or trips the check engine light, you’ll want to check it out.

4. Spark Plugs

Your spark plugs provide the spark needed for combustion to take place. If they are misfiring, your fuel economy will undoubtedly be affected.

5. Fuel System

A faulty fuel injector or dirty/old fuel filter can drastically influence fuel flow into the engine. A fuel system obstacle is one of the most common causes of poor gas mileage.

6. Driving Habits

Did you know that how you handle your vehicle has an impact on your fuel economy? If you are an aggressive driver and like to accelerate quickly or rev your engine, you burn excess fuel. Consider driving at consistent speeds to conserve gas.

7. Excessive Idling

When your automobile is parked, you don’t have to let it idle for a long time. Most cars don’t require any more than 30 seconds to warm up in the morning. Please turn your vehicle off unless you are sitting in traffic or a drive-thru line, scenarios where you have to move and stop constantly.


These are just a few viable reasons you might not get the best possible gas mileage for your vehicle. Come by for a tune-up to acquire excellent performance and fuel economy. We welcome you to give Gordon Automotive a visit or call todayat (512) 580-8787.