Answer: tuneups

AnswerCrossword Clue
TUNEUPSCar maintenance requirements
TUNEUPSEngine-tweaking services
TUNEUPSBasic car maintenance
TUNEUPSGarage jobs
tuneupsadjustment, as of a motor, to improve working condition
tuneupsTUNEUP, an adjustment to insure efficient operation