AutoCodes – Lincoln – P142D Lincoln

P142D Lincoln Code - Exhaust Gas Recirculation Sensor 'D' Circuit Low

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: P142D Lincoln indicates Exhaust Gas Recirculation Sensor 'D' Circuit Low.
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 1,197

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 P142D 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 P142D Lincoln - Exhaust Gas Recirculation Sensor 'D' Circuit Low - AutoCodes.com — P142D Lincoln Code - Exhaust Gas Recirculation Sensor 'D' Circuit Low

What does this mean?

What are the Possible Causes of the DTC P142D 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 P142D 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 P142D 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 P142D Lincoln code?

Need more information on how to fix the P142D Lincoln code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P142D 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 P142D Lincoln Code

1. What are the common symptoms of OBDII code P142D Lincoln?

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

2. What can cause the OBDII code P142D Lincoln to trigger?

- The code P142D is typically triggered due to a malfunction in the Exhaust Gas Recirculation (EGR) sensor 'D' circuit, indicating a low voltage reading.

3. How can I diagnose the issue related to code P142D on my Lincoln vehicle?

- Diagnosing the issue may involve checking the wiring and connections related to the EGR sensor 'D', testing the sensor itself, and using an OBDII scanner to retrieve the specific fault code.

4. Can a dirty EGR valve cause the P142D code to appear?

- Yes, a dirty or clogged EGR valve can disrupt the proper functioning of the EGR system, potentially leading to a low voltage reading in circuit 'D' and triggering the P142D code.

5. What are some repair tips for resolving the P142D code on a Lincoln vehicle?

- Repair tips may include cleaning or replacing the EGR sensor 'D', checking and repairing any damaged wiring or connections, and ensuring proper EGR system functionality.

6. Is it safe to continue driving with the P142D code illuminated on my Lincoln?

- It is not recommended to drive with the P142D code unresolved, as it can lead to further engine performance issues and potential damage over time.

7. Are there any recalls or technical service bulletins related to the P142D code in Lincoln vehicles?

- It is advisable to check with your local Lincoln dealership or refer to online resources for any relevant recalls or technical service bulletins specific to the P142D code.

8. Can a DIY enthusiast fix the P142D code issue, or is professional assistance necessary?

- Depending on your experience and tools available, some DIY enthusiasts may be able to address the P142D code by following repair guides and using diagnostic equipment. However, professional assistance is recommended for complex issues.

9. How much does it typically cost to repair the P142D code on a Lincoln vehicle?

- The cost of repairing the P142D code can vary depending on the exact cause of the issue, parts needed, and labor costs. It is advisable to obtain quotes from reputable mechanics or service centers.

10. How can I prevent the recurrence of the P142D code on my Lincoln after repair?

- To prevent the P142D code from reappearing, regular maintenance of the EGR system, including cleaning or replacing components as needed, and addressing any underlying issues promptly is crucial.