OBD Guide

P2479

Exhaust Gas Temperature Out of Range Bank 1 Sensor 2

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced engine power
  • Increased fuel consumption
  • Unusual odors from the exhaust system
  • Exhaust system overheating

Causes

  • Exhaust temperature sensor malfunction
  • Open or short circuit in the sensor circuit
  • Problems with the sensor wiring harness
  • Malfunction of the catalytic converter
  • Mechanical damage to the exhaust system

How to Fix

  1. Check the condition of the exhaust temperature sensor
  2. Check the integrity of the sensor circuit and connections
  3. Inspect the wiring harness for damage
  4. Check the condition of the catalytic converter
  5. Replace faulty exhaust temperature sensor

Related codes

Error P2479 by Vehicle Brand