Difficult To Refuel

WARNING: This page is about a different car, the 2001 Acura MDX, 2001 Acura Integra, 2001 Acura 3.5RL, 2001 Acura 3.2TL, and 2001 Acura 3.2CL. However, it is still accessible from the selected car via links, so may be relevant.

Check ORVR vent shut valve. See ORVR VENT SHUT VALVE under EMISSION SYSTEMS & SUB-SYSTEMS in SYSTEM & COMPONENT TESTING article.
Check ORVR signal tube between fuel pipe and ORVR vent shut valve.
Check ORVR vapor vent tube between EVAP control canister and ORVR vent shut valve.
Check EVAP vapor canister.

For additional testing information, see DTC P0451, P0452, P0453, P1456 or P1457 under DIAGNOSTIC TESTS in appropriate SELF-DIAGNOSTICS article.