P014B

O2 Sensor Delayed Response - Lean to Rich Bank 2 Sensor 2

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Increased fuel consumption
Unstable engine operation
Increased level of harmful emissions
Check Engine Light Illuminates

Causes

Oxygen sensor malfunction
Damage to the sensor wiring harness
Leaks in the exhaust system
Problems with the fuel system
Sensor contamination

How to Fix

Check the condition of the oxygen sensor and its connector
Check wiring harness for damage
Check the exhaust system for leaks
If necessary, replace the oxygen sensor
Clear the error and check if it returns

Related codes

P013B P014C P0172 P0175