P247B Code - Exhaust Gas Temperature Out of Range Bank 1 Sensor 4
Quick Answer
The diagnostic trouble code P247B indicates that the exhaust gas temperature is out of range for Bank 1 Sensor 4. Common causes include Faulty exhaust gas temperature sensor, Damaged catalytic converter, Clogged exhaust system. 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 indicates Exhaust Gas Temperature Out of Range Bank 1 Sensor 4.
- Common causes
- Common causes include Faulty exhaust gas temperature sensor, Damaged catalytic converter, Clogged exhaust system.
- 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 Description
The diagnostic trouble code P247B 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. When the exhaust gas temperature is out of range, it can lead to various issues with the vehicle's performance and emissions.
Common Causes of P247B
- Faulty exhaust gas temperature sensor
- Damaged catalytic converter
- Clogged exhaust system
- Issues with the engine's air-fuel mixture
- Wiring or connector issues with the sensor
Symptoms of P247B
- Decreased fuel efficiency
- Engine misfires
- Check Engine Light illuminated
- Reduced engine performance
- Increased emissions
How to Fix P247B
- Diagnose the root cause of the issue by using a scan tool to read the live data from the exhaust gas temperature sensor.
- Inspect the sensor for any visible damage or corrosion and replace if necessary.
- Check the catalytic converter and exhaust system for any blockages or damage and repair or replace as needed.
- Ensure that the engine's air-fuel mixture is within the correct parameters by checking the oxygen sensors and fuel injectors.
- Clear the diagnostic trouble code and test drive the vehicle to ensure that the issue has been resolved.
Cost to Fix P247B
The typical repair costs for addressing the P247B code can vary depending on the specific cause of the issue. In general, replacing a faulty exhaust gas temperature sensor can cost between $100 to $200, while replacing a damaged catalytic converter or repairing a clogged exhaust system can range from $500 to $1500 or more. Labor costs can add an additional $80 to $150 per hour, depending on the shop's rates and location. It is advisable to consult with a trusted mechanic or repair shop to get a more accurate estimate based on your vehicle's make and model.
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Code P247B Information for Specific Makes
- P247B Chevrolet — Exhaust Gas Temperature Out of Range Bank 1 Sensor 4
- P247B Dodge — Exhaust Gas Temperature Out of Range Bank 1 Sensor 4
- P247B Ford — Exhaust Gas Temperature Out of Range Bank 1 Sensor 4
- P247B GMC — Exhaust Gas Temperature Out of Range Bank 1 Sensor 4
Frequently Asked Questions about P247B Code
What does the OBDII code P247B mean?
P247B indicates that the exhaust gas temperature (EGT) sensor 4 on Bank 1 is detecting a temperature that is out of the normal range, suggesting a potential issue with the exhaust system or sensor itself.
What are the common symptoms of code P247B?
Symptoms may include the check engine light turning on, reduced fuel efficiency, poor engine performance, or the vehicle entering limp mode.
What causes the P247B code to appear?
Common causes include a faulty EGT sensor, damaged wiring or connectors, excessive soot buildup, exhaust leaks, or a malfunctioning diesel particulate filter (DPF).
Can I drive with a P247B code?
While the vehicle may still be drivable, continuing to operate it without addressing the issue could lead to further damage to the exhaust system or other components.
How is the P247B code diagnosed?
A mechanic will typically use an OBDII scanner to confirm the code, inspect the EGT sensor and wiring for damage, and check for exhaust leaks or problems with the DPF system.
How do I fix the P247B code?
Repairs may involve replacing the faulty EGT sensor, repairing damaged wiring, clearing soot buildup, fixing exhaust leaks, or servicing the DPF system.
Can a dirty diesel particulate filter cause the P247B code?
Yes, a clogged or malfunctioning DPF can cause incorrect temperature readings, which may trigger the P247B code.
How much does it cost to repair a P247B code?
The cost varies depending on the issue, but replacing an EGT sensor typically costs between $100 and $300, while more extensive repairs like DPF servicing or wiring repairs may cost more.
Could a software update fix the P247B code?
In some cases, manufacturers release software updates to address sensor calibration issues, so it's worth checking with your dealer if a software update is available.
What happens if I ignore the P247B code?
Ignoring the code can lead to reduced performance, higher emissions, potential damage to the exhaust system, and increased repair costs over time.
Discuss the causes and fixes for P247B OBDII Code
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