Evaporative Emission Control Canister: Testing and Inspection

EVAP Canister: Component Inspection

EVAP Canister

Check EVAP canister as follows:





1) Block port (B).
2) Blow air into port (A) and confirm that it flows freely out of port (C).
3) Release blocked port (B).
4) Apply vacuum pressure to port (B) and confirm that vacuum pressure exists at the ports (A) and (C).
5) Block port (A) and (B).
6) Apply pressure to port (C) and confirm that there is no leakage.