How to clean the Audi A4L throttle?

The cleaning method of Audi A4L throttle is as follows: Step 1: Prepare tools. 10 small wrench (remove the battery terminal), large Phillips screwdriver (remove the air inlet elbow), internal wrench T30 (remove the throttle), and a bottle of carburetor cleaner. Step 2: Remove the throttle inlet elbow. Step 3: Unplug the throttle harness plug. Step 4: Remove the throttle body. Automobile throttle function: control the air intake, and the throttle position sensor can automatically control the oil quantity. In other words, it is the device that controls the throttle. Classification: one is a semi-mechanical and semi-electronic throttle controlled by a cable, and the other is an all-electronic throttle with a signal from a sensor. Throttle opening is calculated by computer according to intake air volume and sensor angle. Harm of not cleaning the throttle firstly, irregular cleaning will lead to the error of throttle opening. Second, it will cause impurity air to enter the engine combustion chamber. These two results lead to abnormal engine operation, mainly manifested as unstable idle speed; When driving at high speed, there is a sudden and instantaneous flameout (the feeling of suddenly turning off the throttle); Decline in strength; In severe cases, it will cause difficulties in starting and increase fuel consumption.