An ECU remap or car chipping is the process of improving the performance and economy of a vehicle. Cars and van engines today are run by central computers, or electronic management systems. These systems control how the fuel is used and as a result, how the engine performs. Just like a home computer, the ECU, (Engine Control Unit) is the brain of the car's engine.
When a driver increases their speed, it is the ECU which dictates how much fuel is used, and mixed with oxygen (air), to create the power. This is why a remap can improve the performance of your car. It is a way of using computer instructions to tell the car how to react under certain conditions so that the driver gets the best results from the engine.
These results can be increased speed, or conversely they can be better fuel economy. Both are dependent upon each other. Most drivers opt for a remap which gives them the very best engine performance for the best fuel economy, an optimum balance of both. However, some drivers are less interested in fuel economy and more interested in boosting the high performance of their car. This is particularly true for owners who have turbo-powered engines, sports cars and very powerful engines.
A remap changes the pre-set manufacturers settings and parameters for the engine. Drivers tend to have them done when they want to get a better performance form their engines. For many it is surprising that their vehicles are not optimised by the manufacturer. Manufacturers will programme the ECU with standard settings which are based upon average use of the car, average driving speeds and regular maintenance and servicing. Their standards are based upon making sure the car is reliable and lasts as long as possible.
Because all drivers have different styles of driving, use different grades of fuel and live in different areas, driving in very diverse conditions, a remap is the best way to fine tune an engine to suit the owner's needs and driving style.
Car performance is only one benefit of having a remap done. There is a misconception that it is something that only enthusiasts with fast cars need to consider.
Fuel economy is another important reason for fine tuning your vehicle. For example, if you have a van for work, you may be more interested in getting as many miles per gallon as possible, rather than the speed of the vehicle. Depending on the engine size, and the vehicle, a professional remap can improve fuel consumption by as much as five miles to the gallon. This is a significant saving and can be a huge saving for businesses that rely on vehicles and have very high mileages, for example, delivery companies, or taxi drivers. Remaps also help to improve vans that carry heavy loads it makes the engine perform better when the van is carrying a full load.
If you are considering a car remap, first speak to a professional who offers this service. Make sure they will give you a bespoke remap which will be done to suit your make and model of vehicle, and your own individual needs. If you want higher performance and speed, you probably do not want to do this at the expense of fuel economy. If you want more miles per gallon, you will generally improve performance and speed unless you want to limit the vehicle for a specific reason.
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