AutoCodes – Lincoln – P142F Lincoln

P142F Lincoln Code - Exhaust Gas Recirculation Sensor 'D' Circuit Intermittent/Erratic

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: P142F Lincoln indicates Exhaust Gas Recirculation Sensor 'D' Circuit Intermittent/Erratic.
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.

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Code Popularity 1,176

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 P142F Lincoln Description

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

OBDII Code P142F Lincoln - Exhaust Gas Recirculation Sensor 'D' Circuit Intermittent/Erratic - AutoCodes.com — P142F Lincoln Code - Exhaust Gas Recirculation Sensor 'D' Circuit Intermittent/Erratic

What does this mean?

What are the Possible Causes of the DTC P142F Lincoln?

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 P142F Lincoln?

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 P142F Lincoln 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 P142F Lincoln code?

Need more information on how to fix the P142F Lincoln code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P142F Lincoln 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 P142F Lincoln Code

1. What are common symptoms of OBDII code P142F in a Lincoln?

- Common symptoms include poor engine performance, rough idling, decreased fuel efficiency, and potential stalling.

2. What causes the OBDII code P142F in a Lincoln?

- The code P142F typically indicates an issue with the Exhaust Gas Recirculation (EGR) sensor 'D' circuit, which can be caused by sensor malfunction, wiring issues, or a faulty EGR valve.

3. How can I diagnose the OBDII code P142F in my Lincoln?

- Diagnosis involves using an OBDII scanner to retrieve the code, inspecting the EGR sensor 'D' circuit for any visible damage, and testing the sensor's functionality with a multimeter.

4. Is it safe to continue driving my Lincoln with the OBDII code P142F present?

- It is not recommended to drive your vehicle with the code P142F present, as it can lead to further damage and potential engine issues. It's best to address the problem promptly.

5. Can I repair the OBDII code P142F in my Lincoln myself?

- Depending on your skill level, you may be able to repair the issue yourself by replacing the faulty EGR sensor 'D', repairing any damaged wiring, or cleaning/replacing the EGR valve. Otherwise, seeking professional help is advised.

6. How much does it cost to repair the OBDII code P142F in a Lincoln?

- The cost of repairing the code P142F can vary depending on the specific issue causing it, the labor rates in your area, and whether you choose to fix it yourself or take it to a mechanic. It's best to get a diagnosis and estimate from a professional.

7. Can a faulty EGR sensor 'D' cause other problems in my Lincoln?

- Yes, a faulty EGR sensor 'D' can cause a variety of issues beyond triggering the OBDII code P142F, including increased emissions, poor engine performance, and potential damage to other engine components.

8. How long does it typically take to repair the OBDII code P142F in a Lincoln?

- The repair time can vary depending on the exact cause of the code and the complexity of the repair needed. In general, it can take anywhere from a few hours to a full day to address the issue.

9. Are there any preventative maintenance steps I can take to avoid the OBDII code P142F in my Lincoln?

- Regularly servicing your vehicle, including maintaining the EGR system, checking wiring connections, and using high-quality fuel, can help prevent issues that may trigger the code P142F.

10. Will resetting the OBDII code P142F in my Lincoln make it go away permanently?

- Resetting the code may temporarily clear the warning light, but if the underlying issue is not resolved, the code is likely to reappear. It's crucial to diagnose and address the root cause of the problem for a permanent solution.