Ventilation Valve

The ventilation valve regulates ventilation of the EVAP canister, also prevents splash water from reaching the canister. Testing is not available from vehicle manufacturer.

Fig 1: Identifying Vacuum Connections & Component Locations

Courtesy of AUDI OF AMERICA, INC.

Fig 2: Identifying EVAP System Components & Hose Routing

Courtesy of AUDI OF AMERICA, INC.