If you’ve noticed unexpected low gas mileage in your vehicle, there are mechanical reasons why this can happen. At Joe’s Service Department, we’ve served Indianapolis area drivers as a trusted auto repair shop for years, and we’ve seen it all. Here are a few common causes of low gas mileage for trucks, cars, SUVs, and vans.
Dirty Fuel Filters
One major culprit of low gas mileage is a dirty fuel filter. The fuel filter’s job is to remove impurities from the fuel before it reaches the engine. Over time, these filters can become clogged with dirt and debris, making it harder for your engine to get the clean fuel it needs. This inefficiency forces the engine to work harder, burning more fuel than necessary.
Bad Spark Plugs
Another common issue is bad spark plugs. Spark plugs are vital for igniting the air-fuel mixture in your engine. If they’re worn out or malfunctioning, the combustion process becomes inefficient. This inefficiency results in higher fuel consumption as your engine struggles to perform at its best. Visiting our convenient location so we can regularly check and replace spark plugs is a simple yet effective way to maintain good gas mileage.
Faulty Fuel Injectors
Fuel injectors are designed to spray fuel into the combustion chamber in a precise, controlled manner. If your fuel injectors are faulty or dirty, they can disrupt this process, leading to uneven fuel distribution and wasted gas. At Joe’s Service Department, we can clean or replace fuel injectors to restore their proper function and improve your car’s efficiency.
Importance of Regular Tune-Ups
When was the last time your car had a tune-up? If you can’t remember, it might be time to schedule one. Regular vehicle maintenance, including the inspection and replacement of key components, will help you maintain your gas mileage. At Joe’s Service Department, we offer comprehensive tune-ups to keep your car running smoothly and efficiently.
Experiencing low gas mileage can be frustrating, but the solution might be simpler than you think. If you’re ready for a professional tune-up by a skilled auto mechanic in the Indianapolis area, Joe’s Service Department is just a phone call away. Contact us at (317) 405-8456 today!
“What Causes Poor Gas Mileage? (And How To Fix It),” Westfield, published July 28, 2022, accessed April 1, 2025, https://www.westfieldinsurance.com/about-us/articles/what-causes-poor-gas-mileage-and-how-to-fix-it.
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