P1495 – EVAP Pressure Sensor Circuit Low (Nissan)

Description

The ECM detected low voltage in the EVAP pressure sensor circuit.

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Symptoms

  • High emissions
  • Poor drivability

Causes

  • Open circuit
  • Sensor failure
  • Vacuum leak

Diagnosis

  • Check sensor voltage
  • Inspect wiring
  • Check vacuum lines

Repair

  • Replace sensor
  • Repair wiring

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