"Tune ups" are when your spark plugs, wires and/or coil boots along with a distributor cap and ignition rotor are changed. As for the interval that depends on your engine. Older vehicles need to have a tune-up every 30,000 to 60,0000, while newer engines can wait until 90,000 to be serviced. It really just depends on your engine.
Give us a call and let us take care of you.
Happy Adventures,
Heather