How much is Corolla's throttle cleaning?

If you want to know, "How much does it cost to clean the Corolla throttle?" The relevant contents are as follows:

Corolla, it takes about 200 yuan to clean the throttle. Generally speaking:

1. Clean the throttle every 20,000 km to 40,000 km. If the environment in the car is not good, then this cleaning interval will be shortened;

2. It is worth mentioning that maintenance is a good thing, but excessive maintenance will also bring irreversible damage to the car;

3. Excessive cleaning of the throttle will lead to premature scrapping of the throttle. Frequent cleaning will cause the special coating of the throttle valve cavity to be washed away gradually, and the cavity will lose its coating, which is more likely to lead to greasy adhesion, thus becoming a vicious circle, and the final result is scrapping.