Other forms: tune-ups
A tune-up is adjusting an engine so it runs at its best. Give it a tune-up.
It meant real adjustment before engines managed themselves electronically. A tune-up now mostly means replacing what has worn out and letting the computer do the rest.
1nountune-upAdjusting an engine so it runs at its best.
“The tune-up gained about ten per cent on the fuel.”
tune-up is a service.
Practised in Repair & Damage