Aerostar AWD V6-183 3.0L (1991)
Canister Purge Control Valve: Testing and Inspection
Vacuum Operated Purge Control Valve
CAUTION: DO NOT apply vacuum to Port C of the purge control valve. Doing so may dislodge the internal diaphragm causing permanent damage.
1.
Vacuum applied to Port A only, should not pass through.
If flow occurs, replace valve.
2.
Vacuum applied to Port B only, should not pass through.
If flow occurs, replace valve.
NOTE: Slight flow should be indicated with the following valves: E5VE-9B963-AA, E4VE-9B963-AA, and E77E-9B963-AA.
3.
After applying and maintaining a vacuum of 16" to Port A, apply vacuum to Port B with a second hand vacuum pump.
Vacuum to Port B should pass through.