Difficult To Refuel

• 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.