Tune Up   Some things never change, such as the need for periodic preventive maintenance. But a tune-up is one job that's changed a great deal over the course of automotive history. The outdated term is still widely used by many people to describe a service procedure that's supposed to make an engine run better. [...]

Car Tune-up intervals differ from one car to another. Most of the older cars with non-electronic ignitions should have a tune-up every 10,000 to 12,000 miles, or yearly, whichever comes first. Newer vehicles whose ignitions are electronic and have fuel injection systems are scheduled to go from 25,000 miles up to 100,000 miles without a [...]