
Auto maintenance in Knoxville TN
With fuel prices constantly shifting and environmental concerns on the rise, every driver is looking for ways to get more out of every gallon. One of the most effective ways to do that? Prioritize routine auto maintenance. It’s not just about preventing breakdowns—it’s also about keeping your vehicle running as efficiently as possible.
Regular maintenance can improve gas mileage, lower emissions, and help your engine perform at its best. If you’re serious about fuel efficiency, here are the essential maintenance habits that make a real difference on the road.
Start With a Properly Tuned Engine
Your engine is the heart of your vehicle, and when it’s not performing well, your fuel economy takes a hit. Routine auto tune-ups in Knoxville TN ensure everything is firing as it should. That includes checking spark plugs, ignition systems, and engine timing. When your engine runs smoothly, it burns fuel more efficiently and reduces unnecessary strain on other parts of the car.
A well-maintained engine can boost your gas mileage by up to 4%, making regular servicing a simple but impactful habit that saves money over time.
Check and Replace Air Filters as Needed
Your engine needs clean air to perform efficiently. When your air filter is clogged, airflow is restricted, which forces the engine to work harder and consume more fuel. Replacing a dirty filter with a clean one allows your car to breathe easier and improves performance.
Depending on your vehicle and driving conditions in Knoxville TN, changing your air filter can improve gas mileage by up to 10%. It’s a quick, inexpensive fix that adds up to real savings.
Keep Tires Properly Inflated
It’s easy to overlook, but tire pressure directly affects your fuel economy. Underinflated tires create more resistance between the rubber and the road, which increases fuel consumption. By simply keeping your tires inflated to the manufacturer’s recommended pressure, you help your car roll more smoothly and reduce unnecessary drag.
Regularly checking your tire pressure—at least once a month—can improve fuel efficiency by up to 3%. Plus, properly inflated tires wear more evenly and last longer, so you save on replacements too.
Use the Right Motor Oil for Your Engine

Oil change in Knoxville TN
Motor oil reduces friction inside your engine, helping it run more smoothly. Using the manufacturer-recommended grade of oil can improve efficiency and protect your engine in both hot and cold weather.
Synthetic motor oils often provide even better protection and can enhance performance in demanding conditions. Choosing the correct oil for your car can boost fuel economy by up to 2%.
Maintain Your Cooling System
Overheating is more than just a mechanical issue—it also lowers your fuel efficiency. A poorly functioning cooling system forces the engine to work harder, reducing overall performance. Check your coolant levels regularly, inspect the radiator, and keep an eye on your thermostat.
When your cooling system is operating efficiently, your engine stays within the optimal temperature range, allowing it to burn fuel more effectively. Keeping it in good shape can increase mileage by up to 6%.
Remove Excess Weight From Your Vehicle
The heavier your car, the harder your engine has to work. That means more fuel burned, especially during acceleration. If your trunk is full of unused equipment or you’re carrying around unnecessary tools and storage bins, it’s time to lighten the load.
Every 100 pounds of extra weight can reduce your fuel economy by about 2%. So clean out your car—it’s an easy way to save money at the pump.
Drive Smoothly and Avoid Sudden Stops
Your driving habits matter just as much as your auto maintenance in Knoxville TN. Aggressive driving, like sudden acceleration and hard braking, can lower your fuel efficiency significantly. Instead, focus on gradual acceleration, coasting whenever possible, and maintaining a steady speed.
In fact, adopting a smoother driving style can improve highway fuel economy by up to 33% and city fuel economy by up to 5%. That’s a major impact from small behavioral changes.
Plan Your Trips More Efficiently
Consolidating errands and planning efficient routes helps reduce the number of short trips you take—especially those that require your engine to start cold. Short trips are some of the least fuel-efficient because your engine doesn’t have time to reach its ideal temperature.
By grouping errands, avoiding traffic when possible, and using GPS to pick the most efficient routes, you lower idle time and reduce fuel consumption.
Miller Brothers Auto Repair and Collision Center supports vehicle owners with full-service auto maintenance solutions that are designed to keep cars running smoothly, efficiently, and reliably—no matter the season or mileage.
Call Miller Brothers Auto Repair and Collision Center now to schedule your auto maintenance and start saving fuel, money, and stress with every mile. A well-maintained car isn’t just safer—it’s smarter.
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Miller Brothers Auto Repair and Collision Center
7123 Tazewell Pike
Corryton, TN 37721
(865) 689-5072
https://www.millerbrosautorepair.com/
Serving Knoxville, TN and Knox County
Service areas include: All of Knox County, Corryton, Fountain City, Halls Crossroads, Powell and Knoxville