AutoCodes – Lincoln – P142A Lincoln

P142A Lincoln Code - Conditions Incorrect for Secondary Air Self Test

Quick Answer

The Powertrain Control Module (PCM) monitors the Secondary Air System. Common causes include Faulty Secondary Air System. 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: P142A Lincoln indicates Conditions Incorrect for Secondary Air Self Test.
Common causes: Common causes include Faulty Secondary Air System.
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 1,058

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 P142A Lincoln Description

The Powertrain Control Module (PCM) monitors the Secondary Air System. The PCM sets the OBDII code when the Secondary Air System is not to factory specifications.

OBDII Code P142A Lincoln - Conditions Incorrect for Secondary Air Self Test - AutoCodes.com — P142A Lincoln Code - Conditions Incorrect for Secondary Air Self Test

What does this mean?

What are the Possible Causes of the DTC P142A Lincoln?

Faulty Secondary Air System

How to Fix the DTC P142A 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 P142A 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 P142A Lincoln code?

Need more information on how to fix the P142A Lincoln code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P142A 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 P142A Lincoln Code

1. What are the common symptoms of OBDII code P142A in a Lincoln vehicle?

The common symptoms of OBDII code P142A in a Lincoln vehicle may include rough idling, decreased engine performance, and the illumination of the check engine light.

2. What does the OBDII code P142A in a Lincoln indicate?

OBDII code P142A in a Lincoln indicates that the conditions are incorrect for the secondary air self-test to be conducted successfully.

3. What are the possible causes of OBDII code P142A appearing in a Lincoln?

Possible causes of OBDII code P142A in a Lincoln include a faulty secondary air injection system, damaged hoses or pipes, a malfunctioning air pump, or issues with the vehicle's electronic control module.

4. How can I diagnose the OBDII code P142A in my Lincoln?

To diagnose OBDII code P142A in your Lincoln, you can use an OBDII scanner to retrieve the code and then inspect the secondary air injection system components for any visible signs of damage or malfunction.

5. Can I continue driving my Lincoln with OBDII code P142A present?

It is not recommended to continue driving your Lincoln with OBDII code P142A present, as it can lead to further damage to the vehicle's emission control system and may cause decreased fuel efficiency.

6. How can I repair OBDII code P142A in my Lincoln?

To repair OBDII code P142A in your Lincoln, you may need to replace any faulty components in the secondary air injection system, such as the air pump, hoses, or electronic control module, and then reset the code using an OBDII scanner.

7. Are there any DIY tips for fixing OBDII code P142A in a Lincoln?

While some minor inspections and checks can be done by DIY enthusiasts, repairing OBDII code P142A in a Lincoln may require specialized tools and expertise. It is recommended to consult a professional mechanic for proper diagnosis and repair.

8. How much does it typically cost to repair OBDII code P142A in a Lincoln?

The cost of repairing OBDII code P142A in a Lincoln can vary depending on the extent of the damage and the specific components that need to be replaced. It is advisable to obtain quotes from different auto repair shops for an accurate estimate.

9. Can extreme weather conditions cause OBDII code P142A to trigger in a Lincoln?

Extreme weather conditions can potentially affect the operation of the secondary air injection system in a Lincoln, leading to the triggering of OBDII code P142A. Regular maintenance and inspections can help prevent such issues.

10. How often should I have the secondary air injection system in my Lincoln checked to avoid OBDII code P142A?

It is recommended to have the secondary air injection system in your Lincoln checked during routine maintenance visits or whenever you experience any symptoms associated with OBDII code P142A. Regular inspections can help prevent unexpected issues.