Fuel Overflows While Refueling
- Check EVAP system. See DTC P0451, P1456 or P1457 in SELF-DIAGNOSTICS - NSX & NSX-T article and SYSTEM & COMPONENT TESTING - NSX & NSX-T article.
- Check onboard refueling vapor recovery vent shut valve. See SYSTEM & COMPONENT TESTING - NSX & NSX-T article.