How often does Sail 3 wash the throttle?

When the throttle of Sail 3 model is cleaned around 20 thousand kilometers, there will be some carbon deposition in the throttle during use. Excessive carbon deposition will lead to intake valve failure. Insufficient air intake of the engine leads to the decrease of engine power and the increase of vehicle fuel consumption. Saic-GM Chevrolet's Sail model is a small car. Motor vehicles have been discontinued at present. It was model 20 18 when the production was stopped. The vehicle uses two engines, namely 1.3 liter naturally aspirated engine and 1.5 liter naturally aspirated engine. The vehicle is matched with a manual gearbox and an automatic gearbox. The body structure of the vehicle is a four-door five-seat car. Mm-hmm,

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