A malfunctioning vapor canister vent can cause the engine light to come on. This replacement valve is engineered of quality materials for durability to ensure proper operation of the vehicle's evaporative emissions system. Product Features:Direct replacement - this vapor canister vent valve fits and functions like the original partQuality construction - manufactured from premium materials for a long service lifeExcellent value - original equipment function at a lower priceQuality tested - has undergone simulation and endurance testing to ensure proper fit and performance