AutoCodes – Ford – P140A Ford

P140A Ford Code - Exhaust Gas Recirculation Sensor 'C' Circuit Low

Quick Answer

The Powertrain Control Module (PCM) monitors the Exhaust Gas Recirculation (EGR) Sensor. Common causes include Faulty Exhaust Gas Recirculation (EGR) Sensor, Exhaust Gas Recirculation (EGR) Sensor harness is open or shorted, Exhaust Gas Recirculation (EGR) 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: P140A Ford indicates Exhaust Gas Recirculation Sensor 'C' Circuit Low.
Common causes: Common causes include Faulty Exhaust Gas Recirculation (EGR) Sensor, Exhaust Gas Recirculation (EGR) Sensor harness is open or shorted, Exhaust Gas Recirculation (EGR) 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 5,639

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
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P140A Ford Description

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

OBDII Code P140A Ford - Exhaust Gas Recirculation Sensor 'C' Circuit Low - AutoCodes.com — P140A Ford Code - Exhaust Gas Recirculation Sensor 'C' Circuit Low

What does this mean?

What are the Possible Causes of the DTC P140A Ford?

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

How to Fix the DTC P140A Ford?

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 P140A Ford 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 P140A Ford code?

Need more information on how to fix the P140A Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P140A Ford 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 P140A Ford Code

1. What are the common symptoms of OBDII code P140A in a Ford vehicle?

- Common symptoms include reduced engine performance, rough idling, stalling, increased fuel consumption, and the illumination of the Check Engine Light.

2. What does the OBDII code P140A for the Exhaust Gas Recirculation Sensor 'C' Circuit Low indicate?

- This code indicates that there is a low electrical signal or voltage from the Exhaust Gas Recirculation (EGR) sensor 'C', which monitors the EGR system's operation.

3. What are the possible causes of the P140A code in a Ford vehicle?

- Possible causes include a faulty EGR sensor 'C', damaged wiring or connectors in the EGR circuit, a clogged EGR valve, or issues with the EGR system's control module.

4. How can I diagnose the P140A code in my Ford vehicle?

- Diagnosis involves using an OBDII scanner to retrieve the code, inspecting the EGR sensor 'C' and its wiring for damage, checking the EGR valve for blockages, and testing the EGR system components.

5. Can I continue driving my Ford vehicle with the P140A code present?

- It is not recommended to drive with the P140A code present, as it can lead to reduced engine performance, potential damage to the catalytic converter, and increased emissions.

6. Is it possible to reset the P140A code in a Ford vehicle without fixing the underlying issue?

- While clearing the code may temporarily turn off the Check Engine Light, it will not resolve the underlying issue causing the code. The code is likely to reappear until the problem is fixed.

7. How can I repair the P140A code on my Ford vehicle?

- Repair options include replacing the faulty EGR sensor 'C', repairing damaged wiring or connectors, cleaning or replacing the EGR valve, and addressing any issues with the EGR system's control module.

8. Can a DIY enthusiast fix the P140A code issue in a Ford vehicle?

- Depending on the individual's mechanical expertise, DIY enthusiasts may be able to diagnose and fix the P140A code by following repair guides and using the necessary tools.

9. How much does it cost to repair the P140A code in a Ford vehicle?

- Repair costs can vary depending on the specific issue causing the code, the labor rates in your area, and whether you choose to fix the problem yourself or take it to a professional mechanic.

10. Are there any preventive measures to avoid the recurrence of the P140A code in a Ford vehicle?

- Regular maintenance, such as cleaning the EGR system components, inspecting wiring for damage, and using high-quality fuel, can help prevent issues that may trigger the P140A code.