POLO has finished cleaning the oil circuit three times in a non-4S shop. Do you have to go back to the 4S shop to reset the throttle of the car computer?

Simply put, the throttle valve will deposit a lot of dust when the car is used for a long time. In order to achieve sufficient air intake during driving, the driving computer will compare the standard situation and fine-tune the opening and closing angle of the throttle valve.

After you clean, the dirt on the throttle is removed, but the driving computer still determines the opening and closing angle of the throttle according to the dirty state, which will cause abnormal air intake.

Therefore, it is necessary to reset the throttling parameters after cleaning to ensure the normal oil-gas mixing ratio.

What 4S said is correct, but their cost is relatively high. You can consult some regular private maintenance shops and find a store that can be reset.

I hope it helps you.