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P0400 2007 Ford Fusion Code - Exhaust Gas Recirculation Flow

- Code Popularity: 4,013 Views
- Repair Importance Level: 2/3
- Repair Difficulty Level: 2/3
Table of contents
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What are the Possible Causes of the DTC P0400 2007 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.
  • Exhaust Gas Recirculation (EGR) volume control valve stuck closed
  • Faulty Exhaust Gas Recirculation (EGR) volume control solenoid valve
  • Faulty EGR Valve
  • Faulty EGR temperature sensor and circuit
  • Exhaust Gas Recirculation (EGR) solenoid valve harness is open or shorted
  • Exhaust Gas Recirculation (EGR) solenoid valve circuit poor electrical connection
  • Dead (Weak) battery
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How to Fix the DTC P0400 2007 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.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0400 2007 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?

Exhaust Gas Recirculation (EGR) flow control is not responding

What are Code Possible Symptoms?

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

Code P0400 2007 Ford Fusion Description

The electric EGR (EEGR) system is monitored once per drive cycle at high and low load conditions. The test fails when a concern is detected by Powertrain Control Module (PCM) calculations indicating the EGR flow is less or greater than expected.

OBDII Code P0400 2007 Ford Fusion - Exhaust Gas Recirculation Flow - AutoCodes.com
P0400 2007 Ford Fusion Code - Exhaust Gas Recirculation Flow

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Code P0400 2007 Ford Fusion comments

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