The car is rocking and idling unsteadily. Is the throttle broken?

Cleaning the throttle outside didn't move your throttle opening (ordinary professionals don't make such low-level mistakes). If there is no problem with the throttle opening, the system problem may be bigger. At present, the system automatically adjusts by setting a reference value. Ask your riders if they can initialize the system by themselves, that is, the system will return to zero. If you can't, you must brush the system. 4S stores are more expensive. You can go directly without insurance. When you quit insurance, you can see if there are any graffiti shops nearby and call to see if you can do it. If you can't, you must go to the 4S shop.