P0165

O2 Sensor Circuit Slow Response Bank 2 Sensor 3

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Increased fuel consumption
Unstable engine operation
Power reduction
Check Engine Light Is On

Causes

Oxygen sensor malfunction
Open or short circuit in wiring harness
Poor contact in the sensor connector
Sensor contamination
Problems with the exhaust system

How to Fix

Check the integrity of the wiring harness and sensor connector
Clean the sensor from dirt (if possible)
Replace the oxygen sensor if necessary
Check the exhaust system for leaks

Related codes

P0135 P0141 P0155