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Home >> Nissan-Datsun >> 2012 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0171 To P0507 (Qr25DE) >> DTC P0451: EVAP Control System Pressure Sensor >> On Board Diagnosis Logic

On Board Diagnosis Logic

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0451
0451
EVAP control system pressure sensor performance ECM detects a sloshing signal from the EVAP control system pressure sensor
  • Harness or connectors [Crankshaft position sensor (POS) circuit is shorted.]

    (Accelerator pedal position sensor circuit is shorted.)

    (Refrigerant pressure sensor circuit is shorted.)

  • EVAP control system pressure sensor
  • Crankshaft position sensor (POS)
  • Accelerator pedal position sensor
  • Refrigerant pressure sensor