EVAP Canister
Visually inspect EVAP canister and hoses for cracks and damage. Disconnect all hoses from canister. Replace EVAP canister if it does not function as follows:
- Hold port "B" closed and blow air into port "A" on top of canister. See Fig 1. Air should flow from port "D".
- Plug port "B" and "D" and blow air into port "A". Air should not flow from port "C".
- Connect a vacuum pump to port "B". Apply 1.01 in. Hg. With port "C" plugged, vacuum should hold. With port "C" unplugged, vacuum should release.
- Connect vacuum pump to port "A" and plug port "C". Apply 1.01 in Hg. Air should flow into port "B".