P142B Mercury Code - Exhaust Gas Recirculation Sensor 'D' Circuit
Quick Answer
The Powertrain Control Module (PCM) monitors the Exhaust Gas Recirculation Sensor 'D'. Common causes include Faulty Exhaust Gas Recirculation Sensor 'D', Exhaust Gas Recirculation Sensor 'D' harness is open or shorted, Exhaust Gas Recirculation Sensor 'D' 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
- P142B Mercury indicates Exhaust Gas Recirculation Sensor 'D' Circuit.
- Common causes
- Common causes include Faulty Exhaust Gas Recirculation Sensor 'D', Exhaust Gas Recirculation Sensor 'D' harness is open or shorted, Exhaust Gas Recirculation Sensor 'D' 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 P142B Mercury Description
What are the Possible Causes of the DTC P142B Mercury?
- Faulty Exhaust Gas Recirculation Sensor 'D'
- Exhaust Gas Recirculation Sensor 'D' harness is open or shorted
- Exhaust Gas Recirculation Sensor 'D' circuit poor electrical connection
How to Fix the DTC P142B 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 P142B 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 P142B Mercury Code
1. What are the common symptoms of OBDII code P142B related to the Exhaust Gas Recirculation Sensor 'D' Circuit in a Mercury vehicle?
- Common symptoms may include rough idling, reduced engine performance, decreased fuel efficiency, and the illumination of the check engine light.
2. What are the possible causes of the OBDII code P142B in a Mercury vehicle?
- The code P142B can be triggered by issues such as a faulty EGR sensor 'D', damaged wiring or connectors in the EGR circuit, or a malfunctioning EGR valve.
3. How can I diagnose the OBDII code P142B in my Mercury related to the Exhaust Gas Recirculation Sensor 'D' Circuit?
- Diagnosis typically involves using an OBDII scanner to retrieve the specific fault code, inspecting the EGR sensor 'D' and its connections, and testing the EGR system for proper functionality.
4. Can I continue driving my Mercury with the OBDII code P142B present?
- It is not recommended to ignore the code and continue driving, as it can lead to further engine damage and decreased performance. It is best to address the issue promptly.
5. What are the repair options for fixing the OBDII code P142B related to the Exhaust Gas Recirculation Sensor 'D' Circuit in a Mercury vehicle?
- Repair options may include replacing the faulty EGR sensor 'D', repairing or replacing damaged wiring or connectors, cleaning or replacing the EGR valve, and resetting the fault code using an OBDII scanner.
6. How much does it cost to repair the OBDII code P142B in a Mercury vehicle?
- The cost of repair can vary depending on the specific cause of the issue, the labor rates in your area, and whether you choose to perform the repair yourself or take it to a professional mechanic.
7. Are there any preventive maintenance tips to avoid triggering the OBDII code P142B in the future?
- Regularly servicing and inspecting the EGR system, keeping the engine well-maintained, using high-quality fuel, and avoiding harsh driving conditions can help prevent issues that may trigger the P142B code.
8. How long does it typically take to repair the OBDII code P142B related to the Exhaust Gas Recirculation Sensor 'D' Circuit in a Mercury vehicle?
- The repair time can vary depending on the extent of the issue and the repair method chosen. It can take anywhere from a few hours to a full day to address the problem.
9. Can a DIY enthusiast with basic mechanical skills fix the OBDII code P142B issue in a Mercury vehicle?
- Depending on the exact cause of the code, some DIY enthusiasts with basic mechanical skills may be able to address the issue themselves by following repair guides or tutorials.
10. Will resetting the OBDII code P142B make it go away permanently?
- Resetting the code may temporarily turn off the check engine light, but if the underlying issue causing the code is not addressed, it is likely to reappear. It is essential to diagnose and fix the root cause of the problem.
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