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Home >> Infiniti >> 2024 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (3 Of 4) >> Engine (ECM) >> DTC P0454: EVAP System Pressure Sensor >> DTC Description
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DTC Description

DTC DETECTION LOGIC 

DTC No. CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition Possible cause
P0454 EVAP SYS PRES SEN
(EVAP system pressure sensor/switch "A" circuit intermittent)
ECM detects a sloshing signal from the EVAP control system pressure sensor
  • Harness or connectors

    (EVAP control system pressure sensor circuit is shorted.)

  • EVAP control system pressure sensor
  • Sensor power supply 3