19 Tiguan l valve has deflation sound.

Does the subject want to ask, "19 What is the reason for the deflation sound of the gas valve in Tiguan?" Exhaust pipe leakage, throttle problem, air flowmeter. According to Volkswagen official website's inquiry, there is a common problem that the fuel filler door has deflated sound in 19 Tiguan. The reasons for the venting sound of the fuel filler door are air leakage from the exhaust pipe, throttle problem and air flow meter. In this case, it is necessary to go to Volkswagen 4S shop to deal with it in time.