No. 1 Purge Control Valve
- Connect test vacuum hoses. See Fig 1 . Apply vacuum to No. 1 purge control valve and ensure that air does not flow through the valve while blowing into port "A".
- With 4.3 in Hg. of vacuum applied ensure vacuum is held and air flows through the valve while blowing into port "A". Replace No. 1 purge control valve carbon canister assembly if necessary.