EVAP Hose/Pipe Routing W/Dual Tanks and Two Fill Necks

EVAP Hose/Pipe Routing W/Dual Tanks And Two Fill Necks:

This tank configuration is only available on the Cab/Chassis.

The Evaporative Emissions (EVAP) control system used on all vehicles is the charcoal canister storage method This method transfers fuel vapor from the fuel tank to an activated carbon charcoal storage canister, to hold the vapors when the vehicle is not operating. When the engine is operating, the fuel vapor is purged from the carbon element by intake air flow and consumed in the normal combustion process.