2004-06. 3.0 & 3.3 LITER. vacuum switch. Exhaust Gas Recirculation (EGR) Vacuum Delay Valve. Location-Engine Bay. Part included in Valve assembly. Vapor Canister Purge Solenoid. Regulator. Switching. Exhaust Gas Recirculation (EGR) Delay. Vapor Canister Purge Solenoid. Included with: Control Valve, Emission Control Valve, Valve assembly.