Econoline E450 V8-5.4L SOHC VIN L (1998)
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 evaporative emission canister assembly leak test. See: Testing and Inspection/Component Tests/Evaporative Emission Canister
Assembly Leak Test
3. Perform the evaporative emission running loss monitor repair verification drive cycle test.