After Repair Procedure
WARNING: This page is about a different car, the 2003 Ford Econoline. However, it is still accessible from the selected car via links, so may be relevant.
Ensure EVAP system does not leak. Perform EVAPORATIVE EMISSIONS SYSTEM LEAK TEST and EVAPORATIVE EMISSION REPAIR VERIFICATION DRIVE CYCLE under SYSTEM TESTS (EVAPORATIVE EMISSION) in SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE article.