AutoCodes – Ford – P0403 2010 Ford Fusion

P0403 2010 Ford Fusion Code - Exhaust Gas Recirculation Control Circuit

Quick Answer

The EEGR system is continuously monitored to check the four EEGR motor coils, circuits, and the Powertrain Control Module (PCM) for opens, shorts to voltage and ground. Common causes include Faulty EGR volume control solenoid valve, EGR volume control solenoid valve harness is open or shorted, EGR volume control solenoid valve circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means: P0403 2010 Ford Fusion indicates Exhaust Gas Recirculation Control Circuit .
Common causes: Common causes include Faulty EGR volume control solenoid valve, EGR volume control solenoid valve harness is open or shorted, EGR volume control solenoid valve circuit poor electrical connection.
Severity: Moderate - service should be scheduled soon.
Can I drive?: The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

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Code Popularity 6,295

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jun 14, 2020

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0403 2010 Ford Fusion Description

The EEGR system is continuously monitored to check the four EEGR motor coils, circuits, and the Powertrain Control Module (PCM) for opens, shorts to voltage and ground. If a concern is detected, the EEGR system is disabled and additional monitoring is suspended for the remainder of the drive until the next drive cycle.

OBDII Code P0403 2010 Ford Fusion - Exhaust Gas Recirculation Control Circuit - AutoCodes.com — P0403 2010 Ford Fusion Code - Exhaust Gas Recirculation Control Circuit

What does this mean?

What are the Possible Causes of the DTC P0403 2010 Ford Fusion?

Faulty EGR volume control solenoid valve
EGR volume control solenoid valve harness is open or shorted
EGR volume control solenoid valve circuit poor electrical connection
EGR temperature sensor and circuit

How to Fix the DTC P0403 2010 Ford Fusion?

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 P0403 2010 Ford Fusion 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 P0403 2010 Ford Fusion code?

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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 P0403 2010 Ford Fusion Code

1. What are the common symptoms of OBDII code P0403 in a 2010 Ford Fusion?

The common symptoms include engine performance issues like rough idling, decreased fuel efficiency, and potential stalling.

2. What does the OBDII code P0403 on a 2010 Ford Fusion indicate?

The code P0403 specifically points to a problem with the Exhaust Gas Recirculation (EGR) control circuit.

3. What are some possible causes of OBDII code P0403 in a 2010 Ford Fusion?

Potential causes include a faulty EGR valve, damaged wiring or connectors in the EGR system, or a malfunctioning EGR position sensor.

4. How can I diagnose the issue related to OBDII code P0403 in my 2010 Ford Fusion?

Diagnosis typically involves checking the EGR valve for proper function, inspecting the wiring and connectors for damage, and testing the EGR position sensor.

5. Can I continue driving my 2010 Ford Fusion with OBDII code P0403?

It is not recommended to drive the vehicle with an unresolved P0403 code, as it can lead to further damage and potentially affect the engine's performance.

6. How can I repair OBDII code P0403 on my 2010 Ford Fusion?

Repair options may include replacing the EGR valve, repairing damaged wiring or connectors, or replacing the EGR position sensor, depending on the root cause of the issue.

7. Is it possible to reset the OBDII code P0403 on a 2010 Ford Fusion without addressing the underlying problem?

Resetting the code without fixing the underlying issue will only temporarily clear the check engine light, as the code will likely reappear once the problem persists.

8. Can a dirty EGR system cause OBDII code P0403 in a 2010 Ford Fusion?

Yes, a dirty EGR system can restrict the flow of exhaust gases and cause the EGR control circuit to malfunction, triggering the P0403 code.

9. How long does it typically take to repair OBDII code P0403 on a 2010 Ford Fusion?

The repair time can vary depending on the exact cause of the issue, but it may take a few hours to a full day for diagnosis and repair.

10. Is it advisable to seek professional help for repairing OBDII code P0403 in a 2010 Ford Fusion?

Given the complexity of diagnosing and repairing EGR system issues, it is recommended to consult a professional mechanic or dealership for accurate diagnosis and efficient repair of the P0403 code.