P242E GMC Code - Exhaust Gas Temperature Sensor 3 Circuit Intermittent
Quick Answer
The Exhaust Gas Temperature Sensors (EGTS) are variable resistors that measure the temperature of the exhaust gas. Common causes include Exhaust leaks, Faulty Exhaust Gas Temperature Sensor (EGTS) 3, Exhaust Gas Temperature Sensor 3 harness is open or shorted. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P242E GMC indicates Exhaust Gas Temperature Sensor 3 Circuit Intermittent.
- Common causes
- Common causes include Exhaust leaks, Faulty Exhaust Gas Temperature Sensor (EGTS) 3, Exhaust Gas Temperature Sensor 3 harness is open or shorted.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P242E GMC Description
What are the Possible Causes of the DTC P242E GMC?
- Exhaust leaks
- Faulty Exhaust Gas Temperature Sensor (EGTS) 3
- Exhaust Gas Temperature Sensor 3 harness is open or shorted
- Exhaust Gas Temperature Sensor 3 circuit poor electrical connection
- Excessive particulate matter buildup on sensor
- Faulty Engine Control Module (ECM)
How to Fix the DTC P242E GMC?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P242E GMC code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P242E GMC Code
1. What are the common symptoms of OBDII code P242E GMC?
The common symptoms of code P242E GMC include decreased fuel efficiency, reduced engine performance, and the illumination of the Check Engine Light.
2. What are the possible causes of OBDII code P242E GMC?
The possible causes of code P242E GMC include a faulty exhaust gas temperature sensor, wiring issues, a poor electrical connection, or a malfunctioning engine control module (ECM).
3. How can I diagnose OBDII code P242E GMC?
Diagnosing code P242E GMC involves using an OBDII scanner to retrieve the code, checking the exhaust gas temperature sensor's wiring and connections, and testing the sensor's functionality using a multimeter.
4. How do I repair OBDII code P242E GMC?
To repair code P242E GMC, you may need to replace the exhaust gas temperature sensor, repair any damaged wiring or connections, reset the ECM, and clear the fault code using an OBDII scanner.
5. Can I drive my vehicle with OBDII code P242E GMC?
It is not recommended to drive your vehicle with code P242E GMC present, as it can lead to further damage and potential safety hazards due to incorrect engine performance.
6. How much does it cost to fix OBDII code P242E GMC?
The cost to fix code P242E GMC can vary depending on the cause of the issue, but it typically ranges from $100 to $300 for parts and labor.
7. Will resetting the Check Engine Light resolve OBDII code P242E GMC?
Resetting the Check Engine Light may temporarily turn it off, but it will not fix the underlying issue causing code P242E GMC. Proper diagnosis and repair are necessary to resolve the problem.
8. How long does it take to repair OBDII code P242E GMC?
The repair time for code P242E GMC can vary depending on the extent of the issue and the availability of parts. In general, it can take anywhere from 1 to 3 hours to diagnose and repair the problem.
9. Can a DIY enthusiast fix OBDII code P242E GMC?
While some DIY enthusiasts may have the skills and tools to diagnose and repair code P242E GMC, it is recommended to consult a professional mechanic for a proper diagnosis and repair to ensure the issue is resolved correctly.
10. Is OBDII code P242E GMC a common issue in GMC vehicles?
Code P242E GMC related to the Exhaust Gas Temperature Sensor 3 Circuit Intermittent is not as common as some other OBDII codes, but it can still occur in GMC vehicles, particularly in models equipped with this sensor.
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