P247F GMC Code - Exhaust Gas Temperature Out of Range Bank 2 Sensor 4
Quick Answer
The P247F GMC code indicates that the exhaust gas temperature is out of range for Bank 2 Sensor 4 in the vehicle's exhaust system. Common causes include Faulty Bank 2 Sensor 4, Wiring or connector issues, Exhaust leaks. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P247F GMC indicates Exhaust Gas Temperature Out of Range Bank 2 Sensor 4.
- Common causes
- Common causes include Faulty Bank 2 Sensor 4, Wiring or connector issues, Exhaust leaks.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
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Code P247F GMC Description
The P247F GMC code indicates that the exhaust gas temperature is out of range for Bank 2 Sensor 4 in the vehicle's exhaust system. This sensor is responsible for monitoring the temperature of the exhaust gas as it exits the engine. When the temperature reading is outside of the predetermined range, the Engine Control Module (ECM) will trigger this diagnostic trouble code (DTC) and illuminate the Check Engine Light on the dashboard.
Common Causes of P247F GMC
- Faulty Bank 2 Sensor 4.
- Wiring or connector issues.
- Exhaust leaks.
- Malfunctioning ECM.
- Problems with the exhaust system.
Symptoms of P247F GMC
- Check Engine Light illuminated on the dashboard.
- Reduced fuel efficiency.
- Decreased engine performance.
- Increased emissions.
- Rough idling or stalling.
How to Fix P247F GMC
- Begin by using a diagnostic scanner to retrieve the specific fault codes and confirm that P247F GMC is the issue.
- Inspect the wiring and connectors leading to Bank 2 Sensor 4 for any damage or corrosion. Repair or replace as necessary.
- Check for exhaust leaks in the system, especially near the sensor location. Repair any leaks found.
- Test the functionality of Bank 2 Sensor 4 using a multimeter or scan tool. Replace the sensor if it is found to be faulty.
- Clear the fault codes from the ECM and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P247F GMC
The cost of repairing the P247F GMC code can vary depending on the specific cause of the issue and the labor rates in your area. In general, replacing a faulty sensor or repairing wiring/connectors may cost between $150 to $300, including parts and labor. However, if the issue is more complex, such as a malfunctioning ECM or extensive exhaust system repairs, the cost could exceed $500 or more. It is recommended to consult with a professional mechanic to get an accurate estimate based on your vehicle's make and model. Labor rates at auto repair shops can range from $80 to $150 per hour, so the total cost will depend on the time required to diagnose and fix the problem.
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Frequently Asked Questions about P247F GMC Code
1. What are the common symptoms of OBDII code P247F GMC?
- Common symptoms include decreased engine performance, poor fuel efficiency, and the illumination of the Check Engine Light.
2. What does the OBDII code P247F GMC mean?
- This code indicates that the exhaust gas temperature reading from Bank 2 Sensor 4 is out of the expected range set by the vehicle's computer.
3. What are the possible causes of code P247F GMC?
- Possible causes include a faulty exhaust gas temperature sensor, wiring issues, exhaust leaks, or a problem with the engine's combustion process.
4. How can I diagnose the issue related to code P247F GMC?
- Diagnosing the issue typically involves using an OBDII scanner to read the code, checking the exhaust gas temperature sensor and its wiring, and inspecting the exhaust system for leaks.
5. Can I continue driving with OBDII code P247F GMC?
- It is not recommended to continue driving with this code present, as it can lead to further damage to the engine and emissions system.
6. How can I repair OBDII code P247F GMC?
- Repairing the issue may involve replacing the faulty exhaust gas temperature sensor, repairing any wiring issues, fixing exhaust leaks, or addressing underlying engine problems.
7. Will resetting the code make it go away permanently?
- Resetting the code may temporarily clear the Check Engine Light, but if the underlying issue is not addressed, the code is likely to return.
8. Is it safe to ignore OBDII code P247F GMC?
- Ignoring this code can lead to reduced engine performance, decreased fuel efficiency, and potential damage to the engine or emissions system, so it is not safe to ignore it.
9. How much does it typically cost to repair OBDII code P247F GMC?
- The cost of repairs can vary depending on the specific issue causing the code, but it is advisable to consult a mechanic for a proper diagnosis and cost estimate.
10. Can code P247F GMC be triggered by a loose gas cap?
- No, this code is related to the exhaust gas temperature sensor and is not typically triggered by a loose gas cap.
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