Will the ECU upgrade affect the service life and safety of the car? Maybe many people will have such doubts. Will the ECU upgrade affect the service life and safety of the car? In fact, don’t worry, flashing the ECU is only for the driving of the car. The computer data has been comprehensively optimized, rather than blindly pursuing the improvement of a certain index and bringing out the full capabilities of the engine. His optimization is based on ensuring the economy and safety of the service life. It will reserve an absolutely safe space for the car and bring the most comfortable running space for the car engine. But there is another situation. Because of the relationship between cost and technical level, some car fans will settle for the next best thing and install some accessories commonly known as “secondary air intake” or “fuel supplement” for their cars to increase the amount of fuel entering the engine. The amount of fuel and air, these accessories actually “deceive” the ECU by bypassing the original sensor or changing the voltage of the sensor, so that it can change the air-fuel ratio entering the engine without knowing it, so that the engine can operate under certain conditions (work The power performance under the situation) has been improved. This incomplete modification method will bring other side effects and may even cause safety problems. Although the orthodox ECU modification method is expensive, it can avoid many adverse sequelae.