How often does LaCrosse clean the throttle?

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LaCrosse 20,000-40,000 km to clean the throttle. Throttle is a controllable valve that controls air to enter the engine. After the air enters the intake pipe, it will be mixed with gasoline to form a combustible mixture, which will be successfully formed after combustion. It is connected with the air filter and the engine block, and is called the throat of the automobile engine. The LaCrosse is a medium-sized 4-door 5-seat car with length, width and height of 5026mm, 1866mm and 1459mm respectively, with a wheelbase of 2905mm and a fuel tank volume of 55l. The LaCrosse is equipped with a 1.5T turbocharged engine and a 9-speed automatic manual transmission, with a maximum power of 124kW and a maximum torque of 250 Nm.