Ford P0454 OBD-II Trouble Code Definition: P0454 Evaporative Emission Control System Pressure Sensor Intermittent P0454 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0454 Evaporative Emission System Pressure Sensor/Switch Intermittent What does the code mean? OBD-ii Code P0454 definition: The EVAP control system pressure sensor detects pressure in the purge line. The sensor output voltage to the […]