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. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Ford E-150 Club Wagon: 2003] - [Ford E-150 Econoline Club Wagon: 1997, 1998, 1999, 2000, 2001, 2002] - [Ford E-150 Econoline: 1997, 1998, 1999, 2000, 2001, 2002] - [Ford E-150: 2002, 2003] - [Ford E-250 Econoline: 1997, 1998, 1999, 2000, 2001, 2002] - [Ford E-250: 2003] - [Ford E-350 Club Wagon: 2002, 2003] - [Ford E-350 Econoline Club Wagon: 1997, 1998, 1999, 2000, 2001, 2002] - [Ford E-350 Econoline: 1997, 1998, 1999, 2000] - [Ford E-350 Super Duty: 1999, 2000, 2001, 2002, 2003] - [Ford E-450 Econoline Super Duty Stripped: 2000, 2001, 2002] - [Ford E-450 Econoline Super Duty: 1999, 2000, 2001, 2002] - [Ford E-450 Super Duty Stripped Chassis: 2003] - [Ford E-450 Super Duty: 2003] - [Ford E-550 Econoline Super Duty: 2002] - [Ford E-550 Super Duty: 2003] - [Ford Econoline Super Duty: 1997, 1998, 1999] - [Ford Econoline Wagon: 1999, 2000, 2001, 2002] - [Ford Econoline: 1999, 2000, 2001, 2002, 2003]