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Engine-Codes – Ford – P0455 2009 Ford Fusion

P0455 2009 Ford Fusion Code - Evaporative Emission Control System Leak Detected Gross Leak

Quick Answer

The diagnostic trouble code P0455 for a 2009 Ford Fusion indicates that the Evaporative Emission Control System has detected a gross leak. Common causes include Loose or damaged gas cap, Cracked or damaged hoses in the Evaporative Emission Control System, Faulty purge valve. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
P0455 2009 Ford Fusion indicates Evaporative Emission Control System Leak Detected Gross Leak.
Common causes
Common causes include Loose or damaged gas cap, Cracked or damaged hoses in the Evaporative Emission Control System, Faulty purge valve.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P0455 2009 Ford Fusion Description

The diagnostic trouble code P0455 for a 2009 Ford Fusion indicates that the Evaporative Emission Control System has detected a gross leak. The Evaporative Emission Control System is responsible for capturing and storing fuel vapor emissions from the fuel tank to prevent them from escaping into the atmosphere. A gross leak in this system can lead to increased emissions of harmful gases and can also cause performance issues in the vehicle.

OBDII Code P0455 2009 Ford Fusion - Evaporative Emission Control System Leak Detected Gross Leak
P0455 2009 Ford Fusion Code - Evaporative Emission Control System Leak Detected Gross Leak

Common Causes of P0455 2009 Ford Fusion

  1. Loose or damaged gas cap
  2. Cracked or damaged hoses in the Evaporative Emission Control System
  3. Faulty purge valve
  4. Leaking charcoal canister
  5. Malfunctioning fuel tank pressure sensor

Symptoms of P0455 2009 Ford Fusion

  1. Check Engine Light illuminated on the dashboard
  2. Strong fuel odor around the vehicle
  3. Decreased fuel efficiency
  4. Rough idling or stalling
  5. Failed emissions test

How to Fix P0455 2009 Ford Fusion

  1. Inspect the gas cap for any damage or looseness and replace if necessary.
  2. Check all hoses in the Evaporative Emission Control System for cracks or damage and replace as needed.
  3. Test the purge valve for proper functionality and replace if it is faulty.
  4. Inspect the charcoal canister for leaks and replace if necessary.
  5. Test the fuel tank pressure sensor for proper operation and replace if it is malfunctioning.

Cost to Fix P0455 2009 Ford Fusion

The typical repair costs for resolving a P0455 code in a 2009 Ford Fusion can range from $100 to $500, including parts and labor. However, it's important to note that the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Auto repair shops commonly charge between $80 and $150 per hour for labor, but rates may be higher in metropolitan areas or at dealerships, and lower at independent shops. It's recommended to check local rates for a more accurate estimate.

What does this mean?

Tech Notes for P0455 2009 Ford Fusion

The P0455 it’s a very common code, because the code is set if the gas cap is loose or missing. Start by tighten the gas cap and clearing the code. In most cases the code can be clear by disconnecting the car battery for about 30 minutes.

When is the Code Detected?

EVAP control system has a very large leak such as fuel filler cap fell off, EVAP control system does not operate properly.

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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 P0455 2009 Ford Fusion Code

1. What does the OBDII code P0455 on a 2009 Ford Fusion mean?

- The code P0455 indicates that the Evaporative Emission Control System has detected a gross leak.

2. What are the common symptoms of a P0455 code on a 2009 Ford Fusion?

- Common symptoms include the check engine light illuminating, a strong fuel odor, and potential difficulties during refueling.

3. What are the possible causes of a P0455 code on a 2009 Ford Fusion?

- The main causes could be a loose or damaged gas cap, a leak in the fuel tank, a cracked or disconnected hose in the evaporative emission system, or a faulty purge valve.

4. How serious is a P0455 code on a 2009 Ford Fusion?

- While the code itself may not affect the immediate driving of the vehicle, it can lead to increased emissions and decreased fuel efficiency if left unresolved.

5. Can I continue driving my 2009 Ford Fusion with a P0455 code?

- It is generally safe to drive the vehicle with a P0455 code, but it is recommended to address the issue promptly to prevent potential damage and ensure optimal performance.

6. How can I diagnose and repair a P0455 code on my 2009 Ford Fusion?

- Start by checking the gas cap for tightness and any visible damage. Inspect the EVAP system components for leaks, cracks, or loose connections. Consider using a smoke test to pinpoint the source of the leak.

7. Is it possible to reset the P0455 code on a 2009 Ford Fusion without fixing the issue?

- While you can clear the code using an OBDII scanner, the check engine light will likely reappear if the underlying problem is not addressed.

8. How much does it typically cost to repair a P0455 code on a 2009 Ford Fusion?

- The cost of repairs can vary depending on the exact cause of the code and the labor rates in your area. Simple fixes like replacing a gas cap may be inexpensive, while repairing a leak in the fuel system could be more costly.

9. Can a P0455 code on a 2009 Ford Fusion affect emissions testing?

- Yes, a P0455 code can cause your vehicle to fail emissions testing due to increased emissions resulting from the evaporative system leak.

10. Are there any preventative measures to avoid a P0455 code on a 2009 Ford Fusion?

- Regularly inspect the gas cap for tightness and damage, follow proper refueling procedures, and address any warning lights or unusual odors promptly to help prevent a P0455 code.

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