ECU reflash is a process that many car owners choose to undergo in order to improve their vehicle’s performance. ECU, which stands for Engine Control Unit, is a computer that controls all of the engine’s functions. When it is “flashed,” this means that new software has been uploaded to the ECU, in order to change its settings. In most cases, ECU reflash will result in an increase in horsepower and torque, as well as better fuel economy. If you are considering having your ECU reflashed, here is everything you need to know. ECU reflash is a process that allows you