1st design. 2000-01. 3.4 LITER. Vapor valve. Check Valve for Emission System. Location-Vapor Canister. Vapor Canister Purge Solenoid. Vapor Canister Vent Solenoid. Assembly - EVaporator EMIS CNSTR. Control. Emission Check. Fuel Tank. Shut - off. Vapor Canister Purge.