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Engine-Codes – Ford – P142E Ford

P142E Ford Code - Exhaust Gas Recirculation Sensor 'D' Circuit High

Quick Answer

The P142E diagnostic trouble code for Ford vehicles specifically refers to an issue with the Exhaust Gas Recirculation (EGR) sensor 'D' circuit registering a high voltage. Common causes include Faulty EGR sensor 'D', Wiring issues or shorts in the EGR sensor circuit, ECM malfunction. 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
P142E Ford indicates Exhaust Gas Recirculation Sensor 'D' Circuit High.
Common causes
Common causes include Faulty EGR sensor 'D', Wiring issues or shorts in the EGR sensor circuit, ECM malfunction.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P142E Ford Description

The P142E diagnostic trouble code for Ford vehicles specifically refers to an issue with the Exhaust Gas Recirculation (EGR) sensor 'D' circuit registering a high voltage. The EGR system is responsible for recirculating a portion of the exhaust gases back into the engine intake to reduce emissions and control combustion temperatures. The sensor 'D' is a crucial component that monitors the EGR system's operation and ensures that the recirculated exhaust gases are within the specified parameters.

OBDII Code P142E Ford - Exhaust Gas Recirculation Sensor 'D' Circuit High
P142E Ford Code - Exhaust Gas Recirculation Sensor 'D' Circuit High

Common Causes of P142E Ford

  1. Faulty EGR sensor 'D'
  2. Wiring issues or shorts in the EGR sensor circuit
  3. ECM malfunction
  4. Carbon buildup in the EGR system
  5. Vacuum leaks affecting EGR operation

Symptoms of P142E Ford

  1. Check engine light illuminated
  2. Rough idling or stalling
  3. Reduced engine performance
  4. Poor fuel efficiency
  5. Failed emissions tests

How to Fix P142E Ford

  1. Diagnose the issue by using a scan tool to retrieve the trouble code and inspecting the EGR sensor 'D' and related components.
  2. Test the EGR sensor 'D' for proper voltage output and resistance to determine if it is faulty.
  3. Check the wiring harness and connectors for any damage, corrosion, or loose connections. Repair or replace as needed.
  4. Clean the EGR system components, including the EGR valve and passages, to remove any carbon buildup that could affect operation.
  5. Reset the ECM and clear the trouble code to see if the issue resolves. If not, further diagnostics may be needed to pinpoint the exact cause of the high voltage reading.

Cost to Fix P142E Ford

The typical repair costs for addressing the P142E code on a Ford vehicle can vary depending on the specific diagnosis and repair needed. In general, the parts required for this repair, such as a new EGR sensor 'D' or wiring harness, can range from $50 to $200. Labor costs at most auto repair shops typically range from $80 to $150 per hour, and the total repair time may vary based on the complexity of the issue. Overall, the total cost for resolving the P142E code could range from $150 to $500, but it's recommended to check with local auto repair shops for more accurate estimates based on your location, vehicle make and model, and the extent of the repairs needed.

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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 P142E Ford Code

1. What are the common symptoms of OBDII code P142E in a Ford vehicle?

The common symptoms of OBDII code P142E in a Ford vehicle include rough idling, decreased fuel efficiency, and an illuminated check engine light.

2. What does the OBDII code P142E for a Ford indicate?

OBDII code P142E for a Ford indicates a problem with the Exhaust Gas Recirculation (EGR) Sensor 'D' Circuit registering a high voltage.

3. What are the possible causes of OBDII code P142E in a Ford related to the Exhaust Gas Recirculation (EGR) system?

Possible causes of OBDII code P142E in a Ford related to the EGR system include a faulty EGR sensor, wiring issues, or a malfunctioning EGR valve.

4. How can I diagnose the cause of OBDII code P142E in my Ford vehicle?

Diagnosing the cause of OBDII code P142E in a Ford vehicle involves checking the EGR sensor 'D' circuit for high voltage, inspecting the wiring for any damage, and testing the EGR valve for proper operation.

5. Can I continue driving my Ford vehicle with OBDII code P142E without repairing it?

It is not recommended to continue driving your Ford vehicle with OBDII code P142E without repairing it, as it can lead to further damage to the EGR system and affect the vehicle's performance.

6. How can I repair OBDII code P142E in my Ford vehicle?

Repairing OBDII code P142E in a Ford vehicle involves replacing the faulty EGR sensor, repairing any damaged wiring, or cleaning/replacing the EGR valve as necessary.

7. Will resetting the check engine light resolve OBDII code P142E in my Ford vehicle?

Simply resetting the check engine light will not resolve OBDII code P142E in a Ford vehicle. It is important to diagnose the underlying issue and perform the necessary repairs to clear the code.

8. Are there any preventive maintenance tips to avoid OBDII code P142E in my Ford vehicle?

To prevent OBDII code P142E in your Ford vehicle, it is recommended to follow the manufacturer's maintenance schedule, regularly inspect the EGR system components, and address any issues promptly.

9. Can a DIY enthusiast fix OBDII code P142E in a Ford vehicle?

Depending on their skill level and access to tools, a DIY enthusiast may be able to fix OBDII code P142E in a Ford vehicle by following repair guides and procedures specific to the EGR system.

10. How long does it typically take to repair OBDII code P142E in a Ford vehicle?

The time it takes to repair OBDII code P142E in a Ford vehicle can vary depending on the exact cause of the issue, but it may take a few hours to a full day to diagnose and fix the problem.

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