P1454 – EVAP Purge Flow Sensor Fault (Nissan)

Description

The ECM detected a malfunction in the EVAP purge flow sensor.

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Symptoms

  • Poor drivability
  • Hesitation

Causes

  • Sensor failure
  • Wiring issue
  • Vacuum leak

Diagnosis

  • Check sensor voltage
  • Inspect wiring
  • Check vacuum lines

Repair

  • Replace sensor
  • Repair wiring