How many kilometers of car cleaning carbon deposit?

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How many kilometers of car cleaning carbon deposit? Generally, it will be cleaned once every 20,000 to 40,000 kilometers:

1. If the vehicle is used in urban areas for a long time, it is recommended to clean the fuel injector and air intake every 20,000 km and the electronic throttle body every 10000 km.

2. If the vehicle is in very good road conditions and driving at high speed for a long time, the cleaning cycle can be extended;

If the environment is not good, I suggest you go to the repair shop at 65,438+00,000 kilometers.