What causes Haval H6' s high idle speed? Find a solution

1, air intake system, fuel system and ignition system. . Wait a minute. Will lead to the possibility of excessive idle speed. In addition, there are water temperature, carbon canister purification and contact catalysis. . . . Will lead to. . 2. Air leakage, abnormal fuel system control, dirty throttle body or poor valve card hysteresis, etc. Or the accelerator pedal returns badly (old cable type). 3, ignition system leakage or