Sunday, August 23, 2009

The Engine Computer Is Likely The Greatest Improvement To Cars Since The Car Was Invented.

By Nick Varner

Vehicles, both cars and trucks, have improved drastically since they were first introduced back in the early 1900's. Many aspects about driving a car have also changed. Roads, which used to be dirt, are now paved and smooth (at least comparatively). We go far further in our cars today than they did in the beginning. We use our cars for many more things than they did when they first came out.

Perhaps one of the most important changes in the car is the engine computer. The ECM (engine computer module) was developed to help improve many things about the way an engine performs. This came about in large part to reduce the emissions of vehicles in response to environmental concerns.

One of those things is the gas mileage. The gas mileage on cars improved greatly when they started to use engine computers. Everyone likes better gas mileage and that happened with the advent of the ECM.

The emissions of vehicles have been and continue to be a large issue and point of discussion. The impact on the environment that our cars have is a concern. However, the ECM has been and will continue to be a large factor in the improvement of emission levels. The ECM does this by continually adjusting the fuel, air and spark to the condition of the driving. This reduces the pollution of the vehicle.

The ECM also serves as a monitoring system for the driver and can make them aware when there is a problem. When a problem is detected, it sends a signal to the instrument cluster in the dash telling a light to turn on that will indicate to the driver that there is a problem. Also, a code number is stored in the ECM that is accessible by a mechanic. That code will tell him what the exact problem is allowing him t o know what to fix.

Another aspect of ECM's is they now monitor what used to be done through the use of mechanical gauges. They monitor things like coolant temperature and oil pressure. Once these things go outside of the parameters that have been set, the ECM sends a signal to the instrument cluster to turn on a light that will alert the driver.

Of all of the improvements to our vehicles over the years, you can see why the engine computer is perhaps one of the largest. It is relatively unknown to most people, who simply enjoy the benefits of it.

We will certainly see more improvements to cars as time moves on. There may never be a car like we see in the movie, "Back to the Future", but there will be drastic changes that impact our travel. One such change is very close. Chevy announced a new car, called the Chevy Volt which they claim is able to get 230 miles per gallon. It is scheduled to be on lots in 2010. - 2368

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