Canister Purge Valve (Swift)
- Disconnect hoses at purge valve on top of canister. See Fig 1 . Using low air pressure, blow through fuel tank port. Air should exit through air vent. Blow air through purge port. No air should exit and pressure should hold.
- While applying more than 3.1 in. Hg to throttle body port, blow air through purge port. Air should exit through fuel tank port and air vent. If canister purge valve does not test as specified, replace canister.