Engine-Codes - Ford - P0401 2012 FORD FUSION

P0401 2012 FORD FUSION Code - Exhaust Gas Recirculation Flow Insufficient Detected

- Code Popularity: 4,052 Views
- Repair Importance Level: 2/3
- Repair Difficulty Level: 2/3
Table of contents

|What are the Possible Causes of the P0401 2012 FORD FUSION Code?

  • 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

|How to Fix the P0401 2012 FORD FUSION Code?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

|P0401 2012 FORD FUSION 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.

|What is the cost to diagnose the P0401 2012 FORD FUSION code?

Labor: 1.0

The cost to diagnose the P0401 2012 FORD FUSION code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|When is the P0401 2012 FORD FUSION code detected?

Low EGR flow control is detected

|What are P0401 2012 FORD FUSION code possible symptoms?

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

|What Does the P0401 2012 FORD FUSION Code Mean?

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.

Exhaust Gas Recirculation Flow Insufficient Detected

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