Evaporative Emission Control Canister: Testing and Inspection

Procedure

1. Remove Charcoal Canister.





2. Visually inspect Charcoal Canister; Look for cracks or damage.
3. Check for clogged filter and stuck check valve.





- Blow low pressure compressed air (4.71 kPa, 0.68 psi) into port A and check that air flows without resistance from the other ports.





- Blow low pressure compressed air (4.71 kPa, 0.68 psi) into port B and check that air does NOT flow from the other ports.
- If a problem is found, replace the Charcoal Canister.
4. Clean filter in canister.





- Clean the filter by blowing 294 kPa (43 psi) of compressed air into port A while holding port B closed.

CAUTION: Do not attempt to wash the canister. No activated carbon should come out.

6. Reinstall Charcoal Canister