Technical Definition:
Evaporative Emission System Pressure Sensor/Switch Range/Performance
Trouble Code: P0451
Address: 0x0451
System: Powertrain
Subsystem:
Address: 0x0451
System: Powertrain
Subsystem:
Technical Description:
Possible Causes:
Possible Symptoms:
Evaporative Emission Control System Pressure Sensor Range/Performance
Possible Solutions:
OBD-II Trouble Code Type:
Diagnostic Step:
Tech Notes:
– Faulty Evaporative Emission System (EVAP) Pressure Sensor
– Evaporative Emission System (EVAP) Pressure sensor harness is open or shorted
– Evaporative Emission System (EVAP) Pressure sensor circuit poor electrical connection
– Faulty Engine Control Module (ECM)