Sable V6-3.0L VIN U (1999)
Evaporative Fuel Vapor Return Hose: Description and Operation
The EVAP canister tube transmits stored fuel vapor from the Evaporative Emissions canister (EVAP canister) to the EVAP canister purge outlet tube.
Fuel vapor then travels through the Evaporative Emission Canister Purge Valve (EVAP Canister Purge Valve) to the engine through the evaporative
emissions return tube.