P1188 – Fuel Pressure Sensor Circuit (Nissan)

Description

The ECM detected an electrical malfunction in the fuel pressure sensor circuit.

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Symptoms

  • Poor acceleration
  • Hesitation
  • Long crank time
  • Check engine light

Causes

  • Open or shorted wiring
  • Faulty pressure sensor
  • Connector corrosion
  • ECM driver fault

Diagnosis

  • Check wiring continuity
  • Inspect sensor
  • Check connectors
  • Scan live data

Repair

  • Repair wiring
  • Replace pressure sensor
  • Clean connectors