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Engine-Codes – Ford – P0455 2011 Ford Fusion

P0455 2011 Ford Fusion Code - Evaporative Emission Control System Leak Detected Gross Leak

Quick Answer

The P0455 code for a 2011 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 fuel filler neck, Leaking fuel tank. 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 2011 Ford Fusion indicates Evaporative Emission Control System Leak Detected Gross Leak.
Common causes
Common causes include Loose or damaged gas cap, Cracked or damaged fuel filler neck, Leaking fuel tank.
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 10, 2024
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Code P0455 2011 Ford Fusion Description

The P0455 code for a 2011 Ford Fusion indicates that the Evaporative Emission Control System has detected a gross leak. This system is responsible for preventing fuel vapors from escaping into the atmosphere, helping to reduce pollution. When a gross leak is detected, it means that there is a significant issue with the system that needs to be addressed.

OBDII Code P0455 2011 Ford Fusion - Evaporative Emission Control System Leak Detected Gross Leak
P0455 2011 Ford Fusion Code - Evaporative Emission Control System Leak Detected Gross Leak

Common Causes of P0455 2011 Ford Fusion

  1. Loose or damaged gas cap
  2. Cracked or damaged fuel filler neck
  3. Leaking fuel tank
  4. Faulty purge valve
  5. Faulty Evaporative Emission Control System pressure sensor

Symptoms of P0455 2011 Ford Fusion

  1. Check Engine Light is illuminated
  2. Strong odor of fuel around the vehicle
  3. Decreased fuel efficiency
  4. Hissing or hissing noises coming from the fuel tank area
  5. Difficulty starting the vehicle

How to Fix P0455 2011 Ford Fusion

  1. Inspect the gas cap for any signs of damage or wear. Replace if necessary.
  2. Check the fuel filler neck for cracks or damage. Repair or replace as needed.
  3. Inspect the fuel tank for leaks and repair any damaged areas.
  4. Test the purge valve and replace if it is faulty.
  5. Check the Evaporative Emission Control System pressure sensor for any issues and replace if necessary.

Cost to Fix P0455 2011 Ford Fusion

The cost to repair a P0455 code on a 2011 Ford Fusion can vary depending on the specific cause of the issue. On average, the cost for parts and labor can range from $100 to $500. This estimate includes the cost of any necessary replacement parts, diagnostic testing, and labor charges. It is important to note that the actual cost may vary based on the location of the repair shop, the make and model of the vehicle, and the extent of the damage. It is recommended to obtain quotes from multiple repair shops to find the best price for the repair.

What does this mean?

Tech Notes for P0455 2011 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 2011 Ford Fusion Code

1. What does OBDII code P0455 on a 2011 Ford Fusion mean?

The code P0455 in a 2011 Ford Fusion indicates that the Evaporative Emission Control System has detected a gross leak.

2. What are common symptoms of a P0455 code in a 2011 Ford Fusion?

Common symptoms of a P0455 code may include the check engine light coming on, a noticeable fuel smell near the vehicle, and potential issues with passing emissions tests.

3. What are the possible causes of a P0455 code in a 2011 Ford Fusion?

Potential causes of a P0455 code include a loose or damaged gas cap, a leaking fuel tank filler neck, cracked or damaged EVAP system hoses, or a malfunctioning EVAP purge valve.

4. How serious is a P0455 code on a 2011 Ford Fusion?

While a P0455 code is not an emergency, it should not be ignored. It can impact the vehicle's emissions system, fuel economy, and overall performance.

5. How can I diagnose a P0455 code in my 2011 Ford Fusion?

Diagnosing a P0455 code may involve visually inspecting the fuel cap, checking for visible leaks in the EVAP system, using a smoke machine to detect leaks, and performing tests on the EVAP system components.

6. Can I continue to drive my 2011 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 to the emissions system and ensure optimal performance.

7. How can I repair a P0455 code in my 2011 Ford Fusion?

Repairing a P0455 code may involve tightening or replacing the gas cap, repairing or replacing damaged EVAP system components, clearing the code with an OBDII scanner, and conducting a drive cycle to ensure the issue is resolved.

8. Will a P0455 code reset itself in a 2011 Ford Fusion?

If the underlying issue causing the P0455 code is not fixed, the code may continue to reappear even after clearing it. It is important to diagnose and repair the problem to prevent recurring codes.

9. How much does it typically cost to fix a P0455 code in a 2011 Ford Fusion?

The cost of fixing a P0455 code can vary depending on the specific issue causing the code and whether repairs can be done at home or by a professional. Costs may range from a simple gas cap replacement to more extensive EVAP system repairs.

10. Can I prevent a P0455 code from appearing in my 2011 Ford Fusion?

Regularly checking and tightening the gas cap, performing routine maintenance on the EVAP system, and addressing any fuel system issues promptly can help prevent the recurrence of a P0455 code in your 2011 Ford Fusion.

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