OBD Codes List

Diagnostic reference · P247F

P247F

Exhaust Gas Temperature Out of Range Bank 2 Sensor 4

System
Auxiliary emission controls (P code)
Lamp
Check Engine Light
Category
Powertrain - Auxiliary Emissions Controls

What it means

P247F means Exhaust Gas Temperature Out of Range Bank 2 Sensor 4.

Where it lives

For P247F, the description names the sensor as the part involved. The description of P247F puts it on bank 2.

Check these first

  • A failed EGT sensor on bank 2 sensor 4
  • A sensor 4 circuit with an open or short
  • A bank 2 exhaust leak or clog
  • A cooling system fault on bank 2

What to do next

  1. Read EGT sensor bank 2 sensor 4 on a scan tool
  2. Compare sensor 4 to the other bank 2 EGT readings
  3. Test the sensor 4 circuit for open and short faults
  4. Check the bank 2 exhaust and cooling system
  5. Replace the EGT sensor if it reads out of range against the others
  6. Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.