Everything, even the smallest of things, can affect the performance of your engine. Whether topping off your fuel tank or driving on motor oil past its expiration date, you're slowly killing your car.

Engine oil (or motor oil, whichever term you prefer to use) is an essential substance when it comes to keeping an engine running smoothly. Your engine's oil will start to run down over time, however, ...

Q: My 2020 Subaru Impreza was recently serviced at the dealer. The service person installed 6 quarts of oil. According to the manual, there should have been only 5 quarts of oil. The oil level on the ...