P1271 – Accelerator Pedal Position Sensor 2 (Nissan)

Description

The ECM detected a malfunction in accelerator pedal position sensor 2.

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Symptoms

  • Limp mode
  • Poor acceleration

Causes

  • Faulty sensor
  • Wiring issue
  • Connector corrosion

Diagnosis

  • Test sensor voltage
  • Inspect wiring
  • Check connectors

Repair

  • Replace sensor
  • Repair wiring
  • Clean connectors