Custom tuning involves connecting your car's engine computer to a laptop, but instead of uploading a one-size-fits-all remap, the parameters for your individual vehicle can be altered. This is a bit more complicated and will usually require someone who is trained to do it. The second way you can tune your engine is called custom tuning. The safest way to tune an engine on your own so that there no chance of damage to your vehicle or of a decrease in performance is by using a third party "re-map." This called "re-flashing" and basically just changes your existing parameters to a new set of parameters without any customization This allows you to access the software, edit the files, and make changes to your car's performance parameters. Using the proper equipment, you are able to plug into the engine computer's on-board diagnostic (OBD) port. Manufacturers typically build one engine and use several different software versions, known as maps, to achieve the different power and performance levels. For example, because your vehicle's computer software controls fuel injection, the positioning of the rotating assembly, the transmission, idling, and the throttle, you're able to "tune" it and change: This allows you to tweak things like maximum peed, power, and fuel economy to get your vehicle driving just how you like it.īecause the ECU controls most of the components in your engine by altering the limits set in the unit's programming, you are able to alter what the ECU/ECM allows different engine components to do. Tuning actually doesn't change the entire programming of the computer, it just allows you to adjust the the parameters or limits that the programming allows the engine to operate in. There are two ways you can make alterations to your car's engine computer, tuning (also known as remapping) and reprogramming. Whether you're looking for better fuel efficiency, more speed, or quicker acceleration - custom tuning your car's engine computer can produce the results you are looking for. Tuning or remapping your engine essentially allows you to tweak your car's maximum and minimum parameters through the its computer programming. Due to a variety of factors that can range from environmental to safety to regulatory concerns, manufacturers don't usually program new vehicles to operate at their full capacity. They know cars and trucks have a lot more power "behind the pedal" and chip tuning can help unlock some of this untapped power. That being said, there are some people - namely car enthusiasts who want to squeeze more performance or power out of their engine. The engine was tuned perfectly to be as economical, reliable, and fuel efficient as possible for your everyday person. There are a number of reasons that you might want to "tune your engine" and most of them have to do with enhancing performance or better tailoring your vehicle to your driving habits and needs.īasically, when your car rolled off the assembly line, it was engineered for the average, maybe even boring, driver. Car engine tuning is the adjustment or modification of your engine through your car's computer, known as the engine control module or engine control unit.
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