AutoCodes.com | All About OBDII Engine Codes
AutoCodes - Ford - P0401 2011 Ford Fusion

P0401 2011 Ford Fusion Code - Exhaust Gas Recirculation Flow Insufficient Detected

- Code Popularity: 3,698 Views
- Repair Importance Level: 2/3
- Repair Difficulty Level: 2/3
Table of contents
Share on Facebook   Share on Twitter   Share on Linkedin

What are the Possible Causes of the DTC P0401 2011 Ford Fusion?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • EGR passage clogged
  • Faulty EGR Vacuum Modulator Valve
  • Faulty EGR Valve
  • Faulty EGR solenoid valve
  • EGR solenoid valve harness is open or shorted
  • EGR solenoid valve circuit poor electrical connection
  • Dead (Weak) battery
  • Faulty EGR temperature sensor and circuit
  • Exhaust gas leaks
⚠ Does your Ford have Safety Recalls? → Check here

How to Fix the DTC P0401 2011 Ford Fusion?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

EGR flow malfunction could be caused by a clogged EGR valve or EGR tube. Before replacing any parts try cleaning the EGR valve, tube and passages. If the tubes are clean you may have to replace the EGR Pressure sensor to fix the problem.

Search for P0401 2011 Ford Fusion Questions and Answers: Search here →

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0401 2011 Ford Fusion code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

When is the Code Detected?

Low EGR flow control is detected

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Engine hesitation

Code P0401 2011 Ford Fusion Description

The EGR system is monitored during steady state driving conditions while the EGR is commanded on. The test fails when the signal from the differential pressure feedback EGR sensor indicates that EGR flow is less than the desired minimum.

OBDII Code P0401 2011 Ford Fusion - Exhaust Gas Recirculation Flow Insufficient Detected - AutoCodes.com
P0401 2011 Ford Fusion Code - Exhaust Gas Recirculation Flow Insufficient Detected

Need More Information on the Code?

Need more information on how to fix the P0401 2011 Ford Fusion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P0401 2011 Ford Fusion code diagnosed by a professional: Find a repair shop in your area

Code P0401 2011 Ford Fusion comments

Help us improve AutoCodes.com. Leave a comment below or tell us if the information above helps you fix the code. What are the symptoms on your vehicle for the P0401 2011 Ford Fusion code? Have you replaced any parts?
Any information is appreciated. Thanks