P1584 – Idle Control System Low RPM (Nissan)

Description

The ECM detected idle speed lower than expected.

Want to confirm the real cause of this fault code?

A high-quality OBD2 scanner gives you live data, fuel trims, sensor readings and freeze-frame information — exactly what you need to verify the root cause of this code with confidence.

View Recommended Scanners

Symptoms

  • Low idle
  • Stalling

Causes

  • Valve sticking
  • Airflow restriction
  • Wiring issue

Diagnosis

  • Inspect valve
  • Check airflow
  • Scan idle data

Repair

  • Clean valve
  • Repair wiring

Related Problems