Evaporative Emission Control Canister: Testing and Inspection

Canister Inspection:

Preliminary Inspection
- Remove canister from vehicle
- Visually inspect for cracks or damage.

Canister Inspection:

Check Valve Inspection
- Blow low pressure air into port A.
- Air should flow freely out other ports.

Canister Inspection]:

- Blow into port B.
- No air flow should be present.

Canister Inspection:

Filter Cleaning
- Blow compressed air, (Below 43psi, 294 kPa), through port A while blocking port B.
- Air should flow out lower port.
- Replace canister if desired results are not achieved, or if charcoal comes out of canister during cleaning.