P014F

O2 Sensor Slow Response - Lean to Rich Bank 2 Sensor 1

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Increased fuel consumption
Deterioration in dynamics
Unstable idle
Dips during acceleration

Causes

Oxygen sensor malfunction
Sensor contamination
Problems in the sensor circuit
Air leaks in the intake tract
Fuel system malfunctions

How to Fix

Check the condition of the oxygen sensor
Check the sensor circuit for opens and shorts
Check the intake tract for air leaks
Check the fuel system (pressure, injectors)
Replace the oxygen sensor if necessary

Related codes

P013F P015F P0172 P0175