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.
1 On average, a basic tune up can cost anywhere from $55 to $200 if you do it yourself. 2  For a professional mechanic, a tune up can range anywhere from $20 to $95 per hour, not including parts. 3  Changing the oil, spark plugs, air filters and more can range anywhere from $150 to as much as $1,000 for older cars.