Evaporative Emission Control Canister: Testing and Inspection

EVAP Canister Check

WARNING: DO NOT SUCK nozzles on EVAP canister. Fuel vapor inside EVAP canister is harmful.

1. Disconnect vacuum hoses from EVAP canister.
2. When air is blown into tank pipe, there should be no restriction of flow through purge pipe and air pipe.
3. If operation differs from above description, EVAP canister must be replaced.
4. Connect hoses to canister.