Where is the throttle of the 4.2m truck?

The throttle valve is located on the intake pipe of the engine and connected with the air cleaner element. Throttle is a controllable valve that controls air to enter the engine. After the air enters the intake pipe, it will be mixed with gasoline to form a combustible mixture, which will be successfully formed after combustion. It is an important part of EFI automobile engine system.

Throttle is divided into: 1, traditional engine throttle: its operating mechanism is connected with the accelerator pedal at one end and the throttle linkage plate at the other end through cables or pull rods; 2. Electronic throttle: It controls the throttle opening according to the energy required by the engine through the throttle position sensor, so as to adjust the air intake.