After Yinglang gt cleaned the throttle, the cold car started without shaking. Is it okay?

The main faults of dirty throttle are: unstable idle speed, jitter or even flameout when driving at low speed.

Dirty throttle is mainly caused by frequent low-speed driving.

If the fault disappears after cleaning, it is proved that it has been repaired.

However, the throttle will get dirty after a long time. It is recommended to clean it regularly, usually while doing maintenance!