Ask an expert, my car is Bora 1.8 manual in 2003. The idle speed has been unstable these two days, and the car feels frustrated in receiving oil. The computer detected the following fault codes:

The electronic throttle is integrated with the idle motor. First clean the throttle with carburetor cleaner (it is best to remove it), then clear the fault code with data cable, and then carry out adaptive matching (the water temperature needs to reach above 90 degrees). If not, remove the throttle valve, open the cover of the idle motor, remove the carbon brush dust, polish the commutator with 1000 mesh sandpaper if necessary, and finally clean the position sensor of the idle motor with WD40.