What is the reason for the clicking sound when stepping on the accelerator?

[OIan]

The reasons for the clicking sound when stepping on the accelerator are: 1. Aging throttle cable; 2. Mechanical wear between the accelerator pedal components; 3. Increased free play in the vehicle's mechanical systems; 4. Clutch wear. The functions of the accelerator are: 1. Controlling engine speed by regulating pedal input; 2. Determining engine output power through carburetor control. The working principle of the accelerator is: When the pedal is depressed, it directly controls the throttle valve. The throttle opening increases, allowing more air into the engine. The ECU then commands the fuel injection system to increase fuel delivery, causing the engine speed to rise and the vehicle to accelerate.