Purge Control Valve
- Disconnect vacuum tubes from thermo valve and intake manifold at purge control valve. See Fig. 2.
Plug vacuum tube to intake manifold. Start engine and idle.
- Connect tube to intake manifold port on purge control valve and lightly blow air into tube. No air should pass through valve.
- Unplug vacuum tube from intake manifold and connect tube to thermo valve port of purge control valve. Again, lightly blow air into tube connected to intake manifold port. Air should now pass through valve.
Courtesy of FORD MOTOR CO.