Fix P247F: STEP-BY-STEP diagnostic GUIDE!

The P247F: Exhaust Gas Temperature Out of Range Bank 2 Sensor 4 indicates that the exhaust gas temperature reading from Bank 2 Sensor 4 is outside of the expected range. This issue can be caused by a faulty sensor, problems with the sensor circuit, or wiring defects, leading to incorrect exhaust temperature readings and potentially affecting engine performance and emissions.

P247F – Quick Overview

Code	Information
Meaning	P247F: Exhaust Gas Temperature Out of Range Bank 2 Sensor 4
Is it serious?	Yes, incorrect exhaust gas temperature readings may lead to inefficient engine performance and elevated emissions, potentially causing long-term damage if left unaddressed.
Possible causes	– Exhaust gas temperature reading is out of expected range for Bank 2 Sensor 4 – Faulty sensor – Issues with the sensor circuit
How to diagnose?	– Inspect the exhaust gas temperature sensor for Bank 2 Sensor 4 – Check the sensor circuit for any issues – Replace faulty components if needed

P247F Meaning

The P247F: Exhaust Gas Temperature Out of Range Bank 2 Sensor 4 code signifies that the exhaust gas temperature sensor for Bank 2 Sensor 4 is reporting values that are not within the acceptable range. This can indicate a faulty sensor, damaged wiring, or problems within the sensor circuit, leading to unreliable temperature data. This affects the engine’s ability to manage exhaust gases efficiently, which could impact performance and emissions compliance.

Step-by-step diagnostic guide

Action	Description	Tools Needed
Check for Other Codes	Use an OBD-II scanner to check for any additional codes. Other related codes may provide more information about any underlying issues contributing to the P247F fault.	OBD-II Scanner
Inspect Sensor and Wiring Visually	Visually inspect the exhaust gas temperature sensor for signs of damage, such as cracks, burns, or buildup. Inspect the wiring and connectors for Bank 2 Sensor 4 for frayed wires, loose connections, or corrosion.	Flashlight, Safety Gloves
Test Sensor Output	Use a diagnostic tool to monitor the real-time output of the exhaust gas temperature sensor for Bank 2 Sensor 4 while the engine is running. Compare these readings to the manufacturer’s specifications to determine if the sensor is functioning properly or if it is giving out-of-range values.	Diagnostic Tool, Manufacturer’s Specifications
Check Sensor Circuit Continuity	Use a multimeter to check for continuity and resistance within the sensor circuit. Ensure there are no open circuits, short circuits, or areas with incorrect resistance that could affect sensor performance.	Multimeter
Inspect Connectors	Examine all connectors leading to the sensor to make sure they are tightly connected and free of dirt or corrosion. Clean any dirty connectors with contact cleaner, and replace damaged ones to ensure a good electrical connection.	Contact Cleaner, Replacement Connectors
Replace Faulty Sensor or Components	If the sensor is found to be faulty or any part of the circuit is damaged, replace the defective components with manufacturer-approved parts. Make sure all new components are securely installed to avoid recurring issues.	Replacement Sensor, Basic Hand Tools
Clear Code and Test Drive	Clear the P247F code using an OBD-II scanner, and take the vehicle for a test drive to monitor the exhaust gas temperature readings. Verify that the sensor is now functioning properly and giving values within the expected range.	OBD-II Scanner, Vehicle Owner’s Manual
Recheck for Codes	After the test drive, use the OBD-II scanner to confirm that the P247F code has been resolved and no new fault codes are present. If the code returns, further diagnostics may be necessary to address underlying issues.	OBD-II Scanner