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.
A more complex tune-up, which may include more replacements than a standard tune-up, can cost closer to $700 to $1,100+. With older vehicles that have more than 100,000 miles, a tune-up could be 20 to 40 percent more due to the higher chances of finding a repair during the inspections.