Fuel Evaporation System: Description

The fuel evaporation system prevents fuel vapors from reaching the atmosphere. Major components of the system include a sealed fuel tank, vacuum relief filler cap, 2-way valve, carbon canister, purge control valve, thermo vacuum valve, solenoid valve, and connecting lines and hoses.

Federal 4WD Models use a different type of thermo vacuum valve and also use an additional air control vacuum valve.