Domestic brands have the most American-made content in the U.S. according to a new index released by American Universityâs Kogod School of Business.
A mechanic can clean or replace spark plugs during a tune up. Most new cars have platinum spark plugs which don't need to be replaced as often as traditional spark plugs. Mechanics can replace a dirty air filter during a tune up. A tune up includes checking and topping off an vehicle's fluids. A tune up is a relatively simple job that some people prefer to do themselves.
Tune-ups are important for the long-term maintenance and reliability of all types of vehicles. Usually, car manufacturers recommend that their vehicles receive a tune-up every 50,000 miles, but some models require more frequent tune-ups than others.