P247C GMC Code - Exhaust Gas Temperature Out of Range Bank 2 Sensor 1
Quick Answer
The diagnostic trouble code (DTC) P247C for GMC vehicles indicates that the exhaust gas temperature (EGT) for bank 2 sensor 1 is out of the acceptable range. Common causes include Faulty EGT sensor, Exhaust leak near the sensor, Issues with the fuel mixture or ignition timing. 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
- P247C GMC indicates Exhaust Gas Temperature Out of Range Bank 2 Sensor 1.
- Common causes
- Common causes include Faulty EGT sensor, Exhaust leak near the sensor, Issues with the fuel mixture or ignition timing.
- 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 P247C GMC Description
The diagnostic trouble code (DTC) P247C for GMC vehicles indicates that the exhaust gas temperature (EGT) for bank 2 sensor 1 is out of the acceptable range. This sensor is located in the exhaust system before the catalytic converter, and it is responsible for monitoring the temperature of the exhaust gases. When the EGT is out of range, it can lead to various issues with the vehicle's performance and emissions.
Common Causes of P247C GMC
- Faulty EGT sensor
- Exhaust leak near the sensor
- Issues with the fuel mixture or ignition timing
- Clogged catalytic converter
- Wiring or electrical issues affecting the sensor
Symptoms of P247C GMC
- Check engine light illuminated on the dashboard
- Decreased fuel efficiency
- Rough idle or misfiring engine
- Increased emissions
- Reduced engine performance
How to Fix P247C GMC
- Use an OBD-II scanner to read and clear the DTC from the vehicle's computer.
- Inspect the EGT sensor and wiring for any damage or corrosion.
- Check for exhaust leaks near the sensor and repair as needed.
- Test the fuel mixture and ignition timing to ensure they are within the manufacturer's specifications.
- Replace the EGT sensor if it is found to be faulty or malfunctioning.
Cost to Fix P247C GMC
The typical repair costs for addressing the P247C code can vary depending on the specific cause of the issue. In general, replacing a faulty EGT sensor can cost between $100 and $200, including parts and labor. However, if the issue is related to a clogged catalytic converter or other more significant problems, the repair costs could increase significantly.
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Frequently Asked Questions about P247C GMC Code
What does the OBDII code P247C mean for my GMC?
The OBDII code P247C indicates that the exhaust gas temperature (EGT) for Bank 2, Sensor 1 is out of its normal operating range, suggesting a potential issue with the exhaust system or the EGT sensor itself.
What are the common symptoms associated with the P247C code?
Common symptoms may include check engine light illumination, poor engine performance, increased emissions, and unusual exhaust smells or excessive heat.
What can cause the P247C code to trigger?
Causes can include a faulty exhaust gas temperature sensor, wiring issues such as shorts or open circuits, exhaust leaks, or problems with the engine control module (ECM).
How can I diagnose the P247C code accurately?
To diagnose the P247C code, start by using an OBDII scanner to confirm the code and any additional codes. Inspect the sensor wiring and connectors for damage, check for exhaust leaks, and measure the exhaust gas temperatures with a multimeter or scan tool.
What are the potential repairs for the P247C code?
Repairs may involve replacing the faulty exhaust gas temperature sensor, repairing damaged wiring or connectors, addressing any exhaust leaks, or reprogramming or replacing the ECM if necessary.
Is it safe to drive with the P247C code?
While it may be safe to drive short distances, it’s advisable to address the issue promptly to prevent further damage to the engine or exhaust system.
How can I prevent the P247C code from reoccurring?
Regular maintenance, including checking for exhaust leaks, ensuring proper sensor calibration, and addressing any engine performance issues, can help prevent the P247C code from reappearing.
Will clearing the P247C code fix the problem?
Clearing the code may temporarily turn off the check engine light, but it won’t fix the underlying issue. The code will likely return if the root cause isn’t addressed.
Can I drive my GMC without repairing the P247C code?
While you may be able to drive your vehicle, it's not recommended to ignore the P247C code, as it can lead to more serious engine or exhaust system issues over time.
Discuss the causes and fixes for P247C GMC OBDII Code
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