P242C Mercury Code - Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3
Quick Answer
The Powertrain Control Module (PCM) continuously monitors the Exhaust Gas Temperature Sensor (EGTS) for proper circuit continuity and out of range high values. Common causes include Faulty Exhaust Gas Temperature Sensor (EGTS) Bank 1 Sensor 3, Exhaust Gas Temperature Sensor Bank 1 Sensor 3 harness is open or shorted, Exhaust Gas Temperature Sensor Bank 1 Sensor 3 circuit poor electrical connection. 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
- P242C Mercury indicates Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3.
- Common causes
- Common causes include Faulty Exhaust Gas Temperature Sensor (EGTS) Bank 1 Sensor 3, Exhaust Gas Temperature Sensor Bank 1 Sensor 3 harness is open or shorted, Exhaust Gas Temperature Sensor Bank 1 Sensor 3 circuit poor electrical connection.
- 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 P242C Mercury Description
What are the Possible Causes of the DTC P242C Mercury?
- Faulty Exhaust Gas Temperature Sensor (EGTS) Bank 1 Sensor 3
- Exhaust Gas Temperature Sensor Bank 1 Sensor 3 harness is open or shorted
- Exhaust Gas Temperature Sensor Bank 1 Sensor 3 circuit poor electrical connection
- Exhaust leaks
- Excessive particulate matter buildup on sensor
How to Fix the DTC P242C Mercury?
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 P242C Mercury 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 P242C Mercury Code
1. What are the common symptoms of OBDII code P242C on a Mercury related to the Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3?
- 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 P242C on a Mercury for the Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3?
- Possible causes may include a faulty exhaust gas temperature sensor, damaged wiring or connectors, exhaust leaks, or issues with the engine control module.
3. How can I diagnose OBDII code P242C on a Mercury for the Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3?
- Diagnosis involves using an OBDII scanner to retrieve the fault code, inspecting the sensor and its wiring for any visible damage, and testing the sensor's resistance.
4. Is it safe to continue driving with OBDII code P242C on a Mercury related to the Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3?
- It is not recommended to continue driving with this code, as it can lead to further engine damage and potential safety hazards.
5. How can I repair OBDII code P242C on a Mercury for the Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3?
- Repair may involve replacing the faulty exhaust gas temperature sensor, repairing any damaged wiring or connectors, fixing exhaust leaks, or reprogramming the engine control module.
6. Can a DIY enthusiast fix OBDII code P242C on a Mercury for the Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3?
- While some basic troubleshooting and repairs can be done by a DIY enthusiast, diagnosing and fixing this code may require specialized tools and expertise.
7. What is the average cost to repair OBDII code P242C on a Mercury for the Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3?
- The cost of repair can vary depending on the specific issue, but it may range from $100 to $500, including parts and labor.
8. How often does OBDII code P242C on a Mercury for the Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3 occur?
- This code is relatively uncommon but can occur due to sensor failures, wiring issues, or exhaust system problems.
9. Are there any preventive measures to avoid OBDII code P242C on a Mercury related to the Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3?
- Regular maintenance, including checking the exhaust system components and sensors, can help prevent issues that may trigger this fault code.
10. Can OBDII code P242C on a Mercury for the Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3 affect emissions testing?
- Yes, this code may cause the vehicle to fail emissions testing, as it indicates a problem with the exhaust gas temperature sensor circuit.
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