What do you mean by a small throttle opening?

It depends on your model. For example, Volkswagen pine, Volkswagen is the throttle, electronic throttle, can not be adjusted. Don't say it's the fault of the throttle just because the idle speed is low or not high. Please check them one by one. The normal value of throttle opening is: 1.6-5.0, which is normal within this range. Throttle opening refers to the opening angle of engine throttle. The throttle valve of the automobile engine is operated by the driver with the accelerator pedal, which changes the air intake of the engine and controls the operation of the engine. The working conditions of the engine change with the change of throttle opening. Throttle opening cannot be adjusted. The throttle opening means: 1, the throttle opening sends information to the computer through the sensor, and the computer sends instructions to the injector to control the injection time; 2. The use of the throttle screw is limited, but the idle speed can be adjusted, which means that the opening of the throttle plate can be adjusted, so it is not recommended to adjust the screw. Look at the idling motor; 3. The normal value of throttle opening is 1.6-5.0, which is normal within this range.