Fuel Evaporation System: Description
The fuel evaporation system is used to prevent fuel vapor from entering the atmosphere. Activated charcoal in the carbon canister absorbs fuel vapor.
The system consists of a fuel tank with integral expansion tank, vacuum relief filler cap, charcoal canister, purge control valve, secondary purge control valve (Maxima), fuel check valve, canister purge and vacuum signal lines, and vapor vent lines.