P0451 NISSAN EVAP Control System Pressure Sensor Performance

Possible causes – 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) When is the obd code mean? An improper voltage signal from EVAP control system pressure sensor is sent to…