Fuel Evaporation System: Description

The fuel evaporation system is used to prevent fuel vapor from entering the atmosphere. Activated charcoal in the carbon canister adsorbs fuel vapor given off by the fuel system.

The system consists of a fuel tank with integral expansion tank, vacuum relief filler cap, charcoal canister, 2 purge control valves, fuel check valve, vent switching valve (Pulsar NX), thermal vacuum valve, canister purge and vacuum signal lines, and vapor vent lines.