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Diagnose/P2210
P2210Medium SeverityEmissions

NOx Sensor Circuit Malfunction (Bank 1)

What This Means

The nox sensor system has detected a circuit malfunction condition. This code is part of the advanced emission monitoring system found primarily on diesel and newer gasoline engines.

Common Symptoms

  • Check engine light on
  • DPF/SCR warning light
  • Reduced power possible
  • Emissions concern

Common Causes

  • Faulty nox sensor component
  • Wiring damage
  • Contamination
  • System degradation
  • PCM circuit issue

Estimated Repair Cost

$300 – $600
Parts and labor (varies by vehicle and location)
Difficulty:Advanced

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For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.