P1441 – EVAP Very Small Leak Detected (Nissan)

Description

The ECM detected a very small leak in the EVAP system.

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

  • Check engine light
  • Fuel odor

Causes

  • Micro‑leak
  • Cracked hose
  • Valve seepage

Diagnosis

  • Smoke test
  • Inspect hoses
  • Scan EVAP data

Repair

  • Repair hoses
  • Replace valve