Econoline E450 V10-6.8L VIN S (1999)
5. Remove the inside engine cover and disconnect the evaporative emission test port tube from the vacuum connection.
INSTALLATION
1. Follow the removal procedure in reverse order.
2. Perform the leak test. See: Testing and Inspection/Component Tests and General Diagnostics/EVAP System Leak Test
3. Perform the Evaporative Emission Running Loss Monitor Repair Verification Drive Cycle Test.