Isn't the accelerator pedal fully open when Baojun 3 10w steps on the accelerator?

No, according to relevant data, the accelerator pedal of Baojun 3 10w is not fully open when stepping on the accelerator pedal, but slightly open, not fully closed. As soon as the accelerator pedal is stepped on, it will open and the amount of air inhaled will increase. When the accelerator pedal is not depressed, it will close. When the throttle valve is opened and the air intake increases, the ECU will detect this and inject fuel into the engine according to the air intake.