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Simple Maintenance Tips to Maximize Your Car's Fuel Efficiency
Affordable tools and routine upkeep can help preserve your vehicle's original MPG rating as gas prices rise.
Mar. 13, 2026 at 10:30pm
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With fuel prices climbing again across the country, drivers are looking for ways to maximize their car's fuel efficiency. While there are no miracle products that can dramatically improve MPG, a few simple maintenance tasks like checking tire pressure, using fuel system cleaners, and replacing air filters can help preserve a vehicle's original efficiency. Affordable diagnostic tools can also identify issues affecting engine performance and fuel delivery. By focusing on proper maintenance, drivers can ensure their car is running as efficiently as possible and get the most out of every tank of gas.
Why it matters
As gas prices continue to fluctuate, drivers are increasingly concerned about fuel efficiency and finding ways to stretch their fuel budget. Proper vehicle maintenance is key to maintaining a car's original MPG rating and avoiding unnecessary fuel consumption due to issues like underinflated tires or clogged air filters.
The details
Maintaining proper tire pressure is one of the easiest ways to improve fuel efficiency, as underinflated tires create more rolling resistance. Using a portable tire inflator to check and adjust pressure every few weeks can make a noticeable difference. Fuel system cleaners can also help by dissolving carbon deposits that build up over time and disrupt efficient fuel combustion. Replacing the air filter at recommended intervals ensures the engine receives the clean air it needs for proper mixing with fuel. Affordable OBD-II scanners can identify issues like faulty sensors that impact engine performance and fuel delivery.
- Tire pressure should be checked every few weeks, especially as temperatures fluctuate.
- Fuel system cleaners should be used periodically to maintain efficient fuel delivery.
- Air filters should be replaced at the manufacturer's recommended intervals.
The players
Road & Track
A leading automotive enthusiast magazine and website covering the latest news, reviews, and trends in the car industry.
Justin Helton
An assistant commerce editor at Road & Track with a passion for automotive technology and a background in covering vehicle maintenance and efficiency.
What they’re saying
“There is no such thing as a miracle product that will suddenly transform your vehicle into a hypermiling champion.”
— Justin Helton, Assistant Commerce Editor
“Proper tire pressure, a clean fuel system, fresh , unrestricted airflow, and healthy engine sensors are all part of the maintenance routine that keeps a car running smoothly, and when fuel prices are high, attention to these areas can make every tank of gas go a little further.”
— Justin Helton, Assistant Commerce Editor
What’s next
As gas prices continue to fluctuate, drivers should make a habit of regularly checking their tire pressure, replacing air filters, and using fuel system cleaners to maintain their vehicle's original efficiency.
The takeaway
While there are no magic solutions to dramatically improve fuel economy, a few simple and affordable maintenance tasks can help drivers get the most out of every tank of gas by preserving their vehicle's original efficiency as designed by the manufacturer.
