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Home >> Infiniti >> 2006 >> FX35 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0447 To P1168 (VQ35DE) >> DTC P0451 EVAP Control System Pressure Sensor >> On Board Diagnosis Logic

On Board Diagnosis Logic

NOTE: If DTC P0451 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.
Refer to "DTC P0643 SENSOR POWER SUPPLY ".
DTC DETECTING CONDITION - POSSIBLE CAUSE

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
  • EVAP control system pressure sensor