Is a Car Tune Up Necessary in Today's Vehicles?

Today's vehicles no longer have any of the components left in them that were part of the traditional car tune up. Advanced technology requires meeting emissions standards put in place since at least 1996. So you may be asking if a car tune up is still necessary and if so, what does it look like today?

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In older model vehicles, a tune up traditionally consists of the following:

• Recalibrate the carburetor: The carburetor was responsible for creating an air and fuel mixture which was then pulled into the cylinders.
• Reset or replace the points: Points were moving parts responsible for timing the spark to ignite the air and fuel mixture.
• Replace worn out high voltage wires: Wires which ran from the distributer and points to the individual spark plugs.
• Replace spark plugs: or reset the gap if the spark plugs were not replaced.

Today's tune up involves advanced technology:

• Carburetors were replaced by fuel injection systems which use electronics to measure the fuel added to the intake.
• Distributers and points were replaced by electronic ignition systems.
• High voltage wires have been replaced by coil/plug ignition systems. This means that the high voltage is created at the spark plug so there are no high voltage wires that ever need to be replaced.
• Most of today's cars and trucks have the spark plugs buried underneath the overhead cams, making them hard to replace. Accordingly, many vehicles are now equipped with platinum tipped spark plugs that will last for 100,000 miles or more.

So, thanks to advances in technology, a regular "tune up," as we remember it, is no longer required. However, it is still important to follow the recommended maintenance service intervals for your vehicle. Not only does this honor the warranty, but most importantly, it will ensure that your car performs safely at peak efficiency.

Need a professional truck or car tune up? Contact our ASE Certified Technicians at Wentland Diesel Service by calling 541-938-3875 or go on-line at http://www.wentlanddiesel.com/ for more information. Our auto shop provides car and truck repair, including diesel service, to the vehicle owners in  Milton-Freewater, OR, Walla Walla, WA, Pendleton, OR and surrounding areas.