OBD Guide

P0162

O2 Sensor Circuit Bank 2 Sensor 3

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • Deteriorating fuel economy
  • Reduced catalytic converter efficiency

Causes

  • Open or short circuit in the oxygen sensor circuit
  • Oxygen sensor malfunction (Bank 2, Sensor 3)
  • Wiring harness damage
  • Malfunction of the catalytic converter
  • Problems with power or grounding of the sensor

How to Fix

  1. Check the integrity of the sensor wiring harness
  2. Check the connections and contacts of the sensor
  3. Test the oxygen sensor with a multimeter
  4. If necessary, replace the oxygen sensor
  5. Check the condition of the catalytic converter

Related codes

Error P0162 by Vehicle Brand