The system regulates engine power by electronically managing the airflow into the engine. It replaces the direct mechanical linkage between the accelerator pedal and the throttle valve with sensors and actuators. For example, when a driver presses the accelerator pedal, a sensor relays this information to the engine control unit (ECU). The ECU then calculates the optimal throttle valve position based on various parameters, such as engine speed, load, and driver demand, and signals an electric motor to adjust the valve accordingly.
This technological advancement offers improved fuel efficiency, enhanced engine performance, and refined vehicle responsiveness. Early implementations often faced challenges with driver feel, but modern iterations have overcome these limitations through sophisticated control algorithms. Its introduction marked a significant step toward more precise and efficient combustion engine management, paving the way for features like cruise control and traction control systems, contributing to both safety and comfort.