P2479 OBD II Trouble Code Exhaust Gas Temperature Out of Range Bank 1 Sensor 2

How to quickly diagnose and repair, and causes of a P2479 electrical code which indicates a detected out of range bank 1 sensor 2 EGT exhaust gas temperature sensor value.

Symptoms of P2479 OBD II Trouble Code

  • Engine may stall
  • Engine may not start
  • Engine may overheat
  • Poor fuel economy
  • Poor performance
  • Check engine light illuminated

Common Causes of P2479 OBD II Trouble Code

  • Defective exhaust gas temperature sensor
  • Excessive exhaust leak
  • Blown fuse or fuse-able link (if applicable)
  • Excessive carbon buildup on sensor
  • Corroded or damaged connector
  • Faulty or damaged wiring
  • Faulty ECU

Severity of P2479 OBD II Trouble Code

The severity of this code can vary tremendously from just an illuminated check engine light on a vehicle that starts and runs to an automobile that will stall or not start at all.