DeVille V8-4.6L VIN 9 (1995)
Evaporative Emission Control Canister: Testing and Inspection
Evaporative Emissions Undercar Vapor Hose Routing
EVAP CANISTER CHECK
Vapor Port Check
Attach a hose to the fuel vapor port (from fuel tank) of the charcoal canister and attempt to blow through it. Air should pass into canister. If not,
replace the canister.
EVAP Port Check
Attach a hose to the EVAP port (from engine mounted solenoid) of the canister, and attempt to blow through it. Air should not pass into the canister.
If air passes, replace canister.