OBD Guide

P246A

Exhaust Gas Temperature Sensor Circuit Intermittent/Erratic Bank 2 Sensor 3

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$28–67 (est.)

Symptoms

  • Check Engine light comes on
  • Unstable engine operation
  • Increased fuel consumption
  • Reduced engine power
  • Errors in the operation of the exhaust gas recirculation system

Causes

  • Open or short circuit in the sensor circuit
  • Exhaust temperature sensor malfunction
  • Poor contact in the sensor connector
  • Corrosion or oxidation of contacts
  • Problems with the ECU

How to Fix

  1. Check the integrity of the sensor circuit
  2. Inspect connectors and contacts for damage
  3. Check the resistance of the exhaust temperature sensor
  4. Replace sensor if necessary
  5. Check and, if necessary, update the ECU firmware

Related codes

Error P246A by Vehicle Brand