AutoCodes – Mercury – P141C Mercury

P141C Mercury Code - Exhaust Gas Recirculation Sensor 'C' Circuit Intermittent/Erratic

Quick Answer

The Powertrain Control Module (PCM) monitors the Exhaust Gas Recirculation Sensor. Common causes include Faulty Exhaust Gas Recirculation Sensor, Exhaust Gas Recirculation Sensor harness is open or shorted, Exhaust Gas Recirculation Sensor 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: P141C Mercury indicates Exhaust Gas Recirculation Sensor 'C' Circuit Intermittent/Erratic.
Common causes: Common causes include Faulty Exhaust Gas Recirculation Sensor, Exhaust Gas Recirculation Sensor harness is open or shorted, Exhaust Gas Recirculation Sensor 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.

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Code Popularity 1,211

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Sep 24, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P141C Mercury Description

The Powertrain Control Module (PCM) monitors the Exhaust Gas Recirculation Sensor. The PCM sets the OBDII code when the Exhaust Gas Recirculation Sensor is not to factory specifications.

OBDII Code P141C Mercury - Exhaust Gas Recirculation Sensor 'C' Circuit Intermittent/Erratic - AutoCodes.com — P141C Mercury Code - Exhaust Gas Recirculation Sensor 'C' Circuit Intermittent/Erratic

What does this mean?

What are the Possible Causes of the DTC P141C Mercury?

Faulty Exhaust Gas Recirculation Sensor
Exhaust Gas Recirculation Sensor harness is open or shorted
Exhaust Gas Recirculation Sensor circuit poor electrical connection

How to Fix the DTC P141C 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 P141C 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.

Need more information about the P141C Mercury code?

Need more information on how to fix the P141C Mercury code? Get Access to Factory Service Manuals

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Get the P141C Mercury code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P141C Mercury Code

1. What are the common symptoms of OBDII code P141C in a Mercury vehicle?

- Common symptoms include rough idling, engine stalling, decreased fuel efficiency, and the illumination of the check engine light.

2. What can cause the OBDII code P141C to appear in a Mercury vehicle?

- The code may be triggered by a faulty exhaust gas recirculation (EGR) sensor 'C', wiring issues, or a poor connection in the EGR circuit.

3. How can I diagnose the cause of OBDII code P141C in my Mercury vehicle?

- You can use a diagnostic scanner to read the code and perform a thorough inspection of the EGR sensor 'C', its wiring, and the circuit connections for any signs of damage or corrosion.

4. Is it safe to continue driving my Mercury with the OBDII code P141C present?

- It is recommended to address the issue promptly to prevent potential damage to the engine or emissions system. Continued driving with the code present may lead to further complications.

5. Can I repair the OBDII code P141C in my Mercury vehicle myself?

- Depending on your level of automotive expertise, you may be able to replace the faulty EGR sensor 'C' or repair any wiring issues yourself. However, seeking professional help is advisable for an accurate diagnosis and proper repair.

6. What are some tips for preventing the recurrence of OBDII code P141C in my Mercury vehicle?

- Regular maintenance of the EGR system, including cleaning and inspection, can help prevent issues that may trigger the code. Ensuring proper connections and wiring integrity is also essential.

7. How much does it typically cost to repair OBDII code P141C in a Mercury vehicle?

- The cost of repair can vary depending on the specific cause of the code and labor rates in your area. Replacing the EGR sensor 'C' or repairing wiring issues may cost a few hundred dollars at a professional repair shop.

8. Will resetting the OBDII code P141C clear the issue in my Mercury vehicle?

- Resetting the code may temporarily turn off the check engine light, but it will not fix the underlying problem causing the code to appear. It's crucial to diagnose and address the root cause of the issue.

9. Can a faulty EGR sensor 'C' cause other problems in my Mercury vehicle besides triggering the OBDII code P141C?

- Yes, a faulty EGR sensor 'C' can lead to poor engine performance, increased emissions, and potential damage to other components in the emissions system if left unrepaired.

10. How long does it typically take to repair OBDII code P141C in a Mercury vehicle?

- The repair time can vary depending on the complexity of the issue and the availability of parts. In general, a skilled mechanic can diagnose and repair the problem within a few hours to a day.