OBD Guide

P2217

NOx Sensor Circuit Intermittent Bank 2

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$167–444 (est.)

Symptoms

  • Check Engine Light Is On
  • Reduced engine power
  • Increased fuel consumption
  • Unstable engine idling
  • Dips during acceleration

Causes

  • Open or short circuit in the NOx sensor circuit
  • Oxidized or damaged connector pins
  • NOx sensor malfunction
  • Wiring Harness Problems
  • Engine control module malfunction (rare)

How to Fix

  1. Check the integrity of the sensor wiring and connectors
  2. Clean sensor connector contacts
  3. Check resistance and sensor signal
  4. Replace NOx sensor if necessary
  5. Reset the error code and check the system

Related codes

Error P2217 by Vehicle Brand