Ford P0452 OBD-II Trouble Code Definition: P0452 EVAP System Pressure Sensor/Switch Low Input P0452 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0452 Evaporative Emission System Pressure Sensor/Switch Low What does the code mean? OBD-ii Code P0452 definition: The EVAP control system pressure sensor detects pressure in the purge line. The sensor output voltage to the ECM […]