Need a little info about a tune up.

Question

How often do cars need a tune up? How do you know if you need one? What does a tune up do for the car?

Answer 1

once a yr or two,, how you know car runs bad or get less mileage ,,makes the cart run better and longer

Answer 2

you go by mileage. on the older variety every 25,000 to 30,000. but with the platinum plugs or equivalent, 100,000 till do just fine. a tune up can ensure easier starting and improved fuel economy.