D 250 Pickup V8-5.9L VIN Z (1992)
Purge Control Valve: Testing and Inspection
Vapor Canister Hose Connections
NOTE:
Use only fuel resistant hoses when servicing evaporative emission control system.
PROCEDURE
1.
Disconnect 3/16" vacuum hose from canister and connect a vacuum pump to nipple.
2.
Apply 10 inches of vacuum.
3.
If valve does not hold vacuum, replace canister.
