A tune-up (also known as a major service) is regular maintenance performed on an automobile, or more generally, any internal combustion engine. Most automobile manufacturers recommend a tune-up be performed at an interval of 30,000 miles (48,000 km) or two years, whichever comes first. == Justification == As with all preventive maintenance perform...
[n] - adjustments made to an engine to improve its performance
noun adjustments made to an engine to improve its performance
A regularly scheduled maintenance to check normal operation of the vehicle.
an adjustment, as of a motor, to improve working order or condition: The car needs a tune-up badly. · a preparatory activity or warm-up, as before a contest or game: The track meet served as a tune-up for the Olympics.