In internal combustion engines, the throttle is responsible for regulating the engine’s torque and output power. The throttle, through its valve and by changing its angle, controls the amount of air entering the engine. Consequently, the fuel injection is adjusted proportionally to the airflow, thereby regulating the engine’s power and torque output. Additionally, the throttle, using a bypass passage, allows the engine to continue running at idle when it is not under load and no command is received from the driver via the accelerator pedal.

