P22FE

NOx Sensor Performance - Sensing Element Bank 1 Sensor 2

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

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

Related codes

P22FF P229F P2200