The "Check Fuel Fill Inlet" message on a 2010 Ford Fusion indicates a potential issue with the fuel system. This warning typically appears when the fuel fill inlet is not properly sealed or when there's a problem with the capless fuel system.

Common Causes

The most frequent reasons for this message include:

  • Debris or dirt in the fuel fill inlet
  • Damaged seal around the fuel inlet
  • Faulty sensor in the fuel system
  • Issues with the capless fuel system mechanism

How to Fix

To address the "Check Fuel Fill Inlet" warning:

1. Clean the fuel fill inlet area thoroughly

2. Inspect the seal for any visible damage

3. Insert the fuel nozzle or provided funnel several times to dislodge debris

4. Drive the vehicle for a few cycles to allow the system to reset

If these steps don't resolve the issue, you may need to use an OBD2 scanner to check for specific error codes or consult a professional mechanic.

Resetting the Warning

The warning may not reset immediately after fixing the issue. It typically takes several driving cycles for the message to clear. A driving cycle consists of:

  • Starting the engine after it has been off for 4+ hours
  • Driving in city and highway conditions

When to Seek Professional Help

If the warning persists after attempting these fixes, or if a check engine light also appears, it's advisable to have your Ford Fusion inspected by a qualified technician. They can diagnose more complex issues like EVAP system leaks or faulty sensors.

Preventive Measures

To avoid future "Check Fuel Fill Inlet" warnings:

  • Regularly clean the fuel fill area
  • Ensure proper closure of the fuel door after refueling
  • Avoid overfilling the fuel tank
  • Use high-quality fuel from reputable stations

Remember, addressing this warning promptly can prevent more serious fuel system issues and ensure your 2010 Ford Fusion continues to run smoothly.