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Air filter maintenance
![]() ![]() Proper air filter maintenance is important to your engine’s health
Those of us who are looking to improve fuel economy can benefit from a healthy engine. Something as simple as proper air filter maintenance can help your engine breathe better, optimizing performance.
![]() Your car’s air filter traps dirt and grit, feeding your injection system with clean, filtered air. Without an air filter, the dirt and grit can find their way into the engine, contaminating the engine oil. Gritty oil works like sandpaper on the engine internals such as piston rings and valve train components, greatly accelerating wear and reducing durability.
While the filter does a great job of trapping dust and dirt, it will eventually get plugged, robbing the engine of air and reducing performance. And the longer you go, the worse it gets.
“The filter has no error state,” says Gray. “It will never break or fall apart. It just continues to get dirtier, robbing your engine of power.”
Posted Sept. 4, 2006. © CarTest.ca.
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