Buy 2003 Volkswagen Passat 1.8L A/T FWD GL Sedan Fuel Tank Vent Valve. FWD, bleeder. Fuel Tank Vent Bleeder, SYSTEM, Cause - OEM Volkswagen Part # 4B0201736A (4B0-201-736-A)

Fuel Tank Vent Valve.
A Valve used to Vent Fuel vapors to the vapor canister.

Fuel Tank Vent Valve

Fits Passat, Passat Wagon

FWD, bleeder.
Fuel Tank Vent Valve - Repair or Replace
The fuel tank vent valve is part of the evaporative emissions system in your 2003 Volkswagen Passat, and if it fails, it could cause the pump to shut off at the gas station repeatedly making refueling difficult. It might also cause your check engine light to come on.