Ford P0455 OBD-II Trouble Code Definition: P0455 EVAP System Large Leak Detected P0455 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0455 Evaporative Emission System Leak Detected (large leak) What does the code mean? OBD-ii Code P0455 definition: This indicates a fuel vapor leak or lack of purge flow in the EVAP control system. It means a […]