How often does Tiguan throttle have to be cleaned?

Tiguan throttle is cleaned once every 15000 km, and the specific cleaning time depends on the use of the vehicle. Take Tiguan 202 1 330TSI automatic two-wheel drive comfort edition as an example, its length, width and height are 47 12mm, 1839mm and 1673mm respectively, and its wheelbase is 2791mm. Tiguan 202 1 330TSI automatic two-wheel drive scholarly edition is equipped with a 7-speed dual-clutch gearbox. Its fuel tank volume is 60L, the curb weight is 1650kg, and the body structure is a 5-door 5-seat suv. The front suspension adopts McPherson independent suspension and the rear suspension adopts multi-link independent suspension. Tire size is 235/55R 18. Million car purchase subsidy