OBD-II Code Nissan

P1402 — Nissan — EGR System

The ECU detects a malfunction in overall EGR system operation.

Brand Nissan
System Emissions
Severity Medium
Safe to drive? Yes, with caution
Advanced scanner Not necessarily

What does code P1402 mean on Nissan vehicles?

The ECU detects a malfunction in overall EGR system operation.

Common symptoms

  • Rough idle
  • engine pinging

Possible causes

  • Blocked EGR passages
  • faulty EGR valve

Initial recommendation

Inspect EGR valve and passages; clean or repair as needed.

Safety notice

This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.

Analyze this code with MecaOBD

Use the app to combine Nissan code P1402 with your vehicle's actual symptoms for more complete diagnostic guidance.

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