P2379

O2 Sensor Out of Range During Deceleration Bank 2 Sensor 2

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Increased fuel consumption
Unstable engine operation when braking
Check Engine Light Is On
Increased emissions of harmful substances

Causes

Oxygen sensor malfunction
Damage to sensor wiring or connectors
Leaks in the exhaust system
Problems with the fuel system
Malfunction of the catalytic converter

How to Fix

Check the status of the O2 sensor bank 2, sensor 2
Inspect the sensor wiring and connectors for damage
Check the exhaust system for leaks
Test the operation of the fuel system
If necessary, replace the oxygen sensor

Related codes

P2378 P2380 P0137