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Powertrain control (including onboard diagnostic checks).

If the vehicle isn't being properly maintained, you're not going to get where you want to go."Īs part of the 21st Century Tune-up on today's modern vehicles, the following systems should be inspected: "If you're at work and your computer goes down, you can't get any more work done. "There is a misconception that today's modern vehicles don't need tune-ups because they never break down, but that simply is not true," said Rich White, executive director of the Car Care Council. This program is designed to help re-define and educate motorists as to what a tune-up should consist of on today's modern vehicles.

Things that were once handled mechanically are now controlled electronically through the widespread use of onboard computer technology.īecause vehicles have changed so much over the years, the Car Care Council has introduced the 21st Century Tune-up. Highly sophisticated ignition and fuel systems are now the norm, using one or more onboard computers to control critical engine and transmission management functions. This eliminated the need for the replacement and adjustment of a growing number of ignition and fuel system parts.Īs the pace of technology quickened, the procedures required to perform a traditional tune-up changed dramatically. Mounting pressure for increased fuel economy and lower emissions drove the car manufacturers to adopt electronics and to do away with ignition points in the '70s, along with the carburetor in the middle '80s. The tune-up was historically associated with the routine replacement of key ignition system parts like spark plugs and ignition points, along with some basic adjustments to help "tune" the engine.

The classic "tune-up" was once the heart of the automotive business and contrary to some beliefs today's modern vehicles still need tune-ups to keep them performing at the most efficient levels. One of the biggest changes in today's automotive industry is the perception of a "tune-up." Ask 10 vehicle owners their definition of a tune-up and chances are there'll be 10 different answers.

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