How often does Highlander clean the throttle?

Highlander's throttle is cleaned every three to forty thousand kilometers. Throttle is a controllable valve that controls air to enter the engine. When the throttle is dirty, the vehicle will shake when idling, the power will be insufficient when driving, the fuel consumption will increase, the vehicle will stall and the emission will not meet the standard. Take Highlander 202 1 2.0T Four-wheel Drive Elite Edition for example. The body dimensions of this car are: length 4890mm, width 1925mm, height 17 15mm, wheelbase 2790mm, fuel tank volume 72.5l, and curb weight 2065438+. For suspension, Highlander 202 1 2.0T four-wheel drive elite edition 7-seat front suspension adopts McPherson independent suspension, and rear suspension adopts E-type multi-link independent suspension. Million car purchase subsidy