What does the throttle opening affect?

What does the throttle opening affect? The hazards of excessive throttle opening are as follows: 1. The air intake and load of the engine are controlled by the throttle valve, which further affects the fuel injection and ignition of the engine. When the throttle is too wide, the fault light is on; 2. If the engine throttle valve is opened too much, abnormal sound will be generated when metal knocks, and traces may be left on the rocker arm and valve stem. , produce abnormal sound that cannot be eliminated; 3. Excessive throttle opening will also reduce the intake and exhaust volume and affect the power and other performance of the engine. @20 19