OBD Guide

P22FE

NOx Sensor Performance - Sensing Element Bank 1 Sensor 2

P22FE is an OBD-II diagnostic trouble code meaning: NOx Sensor Performance - Sensing Element Bank 1 Sensor 2. Common causes: nox sensor malfunction, damage to sensor wiring or connectors. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Increased fuel consumption
  • Reduced engine power
  • Check Engine Light Illuminates
  • Unstable engine idling

Causes

  • NOx sensor malfunction
  • Damage to sensor wiring or connectors
  • Problems with the exhaust system
  • Engine control unit malfunction

How to Fix

  1. Check the condition of the NOx sensor and its connectors
  2. Check the integrity of the wiring to the sensor
  3. Carry out exhaust system diagnostics
  4. If necessary, replace the NOx sensor
  5. Update engine control unit software

Related codes

Error P22FE by Vehicle Brand

FAQ

What does the P22FE code mean?

P22FE is an OBD-II diagnostic trouble code that indicates: NOx Sensor Performance - Sensing Element Bank 1 Sensor 2

What causes a P22FE error code?

The most common causes of P22FE include: NOx sensor malfunction; Damage to sensor wiring or connectors; Problems with the exhaust system; Engine control unit malfunction.

How do I fix a P22FE diagnostic trouble code?

To fix P22FE: Check the condition of the NOx sensor and its connectors. Check the integrity of the wiring to the sensor. Carry out exhaust system diagnostics. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P22FE?

Yes, but get it checked soon

How much does it cost to fix P22FE?

The estimated repair cost for P22FE is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat