P247B Chevrolet Code - Exhaust Gas Temperature Out of Range Bank 1 Sensor 4
Quick Answer
The P247B diagnostic trouble code for Chevrolet vehicles indicates that the exhaust gas temperature is out of range for Bank 1 Sensor 4. Common causes include Faulty Bank 1 Sensor 4, Wiring issue in the sensor circuit, Malfunctioning exhaust gas temperature sensor module. 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
- P247B Chevrolet indicates Exhaust Gas Temperature Out of Range Bank 1 Sensor 4.
- Common causes
- Common causes include Faulty Bank 1 Sensor 4, Wiring issue in the sensor circuit, Malfunctioning exhaust gas temperature sensor module.
- 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 P247B Chevrolet Description
The P247B diagnostic trouble code for Chevrolet vehicles indicates that the exhaust gas temperature is out of range for Bank 1 Sensor 4. This sensor is typically located downstream in the exhaust system and is responsible for monitoring the temperature of the exhaust gases as they exit the engine. When the temperature readings are outside of the expected parameters, it can indicate a potential issue with the exhaust system or engine performance.
Common Causes of P247B Chevrolet
- Faulty Bank 1 Sensor 4
- Wiring issue in the sensor circuit
- Malfunctioning exhaust gas temperature sensor module
- Exhaust leak near the sensor
- Exhaust system blockage or restriction
Symptoms of P247B Chevrolet
- Rough engine idle or misfires
- Decreased fuel efficiency
- Loss of power and acceleration
- Check Engine Light illuminated
- Failed emissions test
How to Fix P247B Chevrolet
- Begin by diagnosing the specific cause of the out-of-range exhaust gas temperature readings using a diagnostic scanner.
- Inspect the Bank 1 Sensor 4 and its wiring for any signs of damage or corrosion.
- Test the exhaust gas temperature sensor module for proper functionality.
- Repair any wiring issues or replace the faulty sensor as needed.
- Clear the diagnostic trouble codes and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix P247B Chevrolet
The typical repair costs for addressing the P247B code can vary depending on the specific cause of the issue. Parts such as a new exhaust gas temperature sensor or sensor module can range from $50 to $200, while labor costs can range from $100 to $300. In total, the repair for this issue could cost anywhere from $150 to $500. It is important to note that these are rough estimates, and actual costs may vary based on factors such as location, vehicle make and model, and the extent of the repairs needed. It is recommended to consult with a qualified mechanic or repair shop for a more accurate cost estimate.
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Frequently Asked Questions about P247B Chevrolet Code
1. What are common symptoms of OBDII code P247B in a Chevrolet related to Exhaust Gas Temperature Out of Range Bank 1 Sensor 4?
- Common symptoms include poor engine performance, decreased fuel efficiency, and the illumination of the Check Engine Light.
2. What are the possible causes of OBDII code P247B in a Chevrolet?
- Possible causes may include a faulty Exhaust Gas Temperature (EGT) sensor, issues with the sensor wiring, exhaust leaks, or a malfunctioning catalytic converter.
3. How can I diagnose the OBDII code P247B in a Chevrolet?
- Diagnosing this code typically involves using a scan tool to read the fault codes, checking the EGT sensor's wiring and connections, and performing a thorough inspection of the exhaust system for leaks or damage.
4. Can I continue driving my Chevrolet with the OBDII code P247B present?
- It is not recommended to continue driving with this code present, as it can lead to potential damage to the engine or emissions system. It's best to address the issue promptly.
5. What are some repair tips for resolving OBDII code P247B in a Chevrolet?
- Repair tips may include replacing the faulty EGT sensor, repairing any damaged wiring, fixing exhaust leaks, or addressing issues with the catalytic converter.
6. Is it possible to reset the OBDII code P247B in a Chevrolet without fixing the underlying issue?
- While you can clear the code using a scan tool, it will likely reappear if the underlying issue is not resolved. It's important to address the root cause of the problem.
7. How much does it typically cost to repair OBDII code P247B in a Chevrolet?
- The cost of repair can vary depending on the exact cause of the code and the parts and labor required. It's recommended to consult a mechanic for a more accurate estimate.
8. Can extreme weather conditions affect the triggering of OBDII code P247B in a Chevrolet?
- Extreme weather conditions, such as extremely high or low temperatures, can potentially affect the EGT sensor readings and trigger this code. Ensuring proper insulation and protection for the sensor can help prevent issues.
9. Are there any preventive measures to avoid OBDII code P247B in a Chevrolet?
- Regular maintenance, such as checking and cleaning the EGT sensor, inspecting the exhaust system for leaks, and addressing any engine performance issues promptly, can help prevent the occurrence of this code.
10. Can a DIY enthusiast with basic automotive knowledge fix OBDII code P247B in a Chevrolet?
- Depending on the exact cause of the code, some DIY enthusiasts with basic knowledge may be able to address issues like sensor replacement or minor wiring repairs. However, complex issues may require professional assistance.
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