P0455 on FORD FUSION — EVAP System Leak Detected - Large Leak

Q: "What does P0455 mean on a FORD FUSION?"

"P0455 indicates: EVAP System Leak Detected - Large Leak. This is a emission controls code. 4 FORD FUSION owners have reported this to NHTSA."

Q: "What are the most common causes of P0455 on FORD FUSION?"

"Based on 4 NHTSA reports, the most commonly cited components are: Power Train,Vehicle Speed Control,Fuel/Propulsion System, Power Train,Engine,Fuel/Propulsion System, Engine,Fuel/Propulsion System. These percentages are based on the component field in owner complaints."

Q: "Is P0455 serious on my FORD FUSION?"

"Of 4 NHTSA reports for this code on FORD FUSION, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my FORD FUSION shows P0455?"

"1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare."

What P0455 Means on Your FORD FUSION

P0455 is a diagnostic trouble code indicating: EVAP System Leak Detected - Large Leak. This code relates to the emission controls system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

4 FORD FUSION owners have reported this issue to NHTSA across model years 2010-2011. Most reports come from the 2010, 2011 model years.

Real FORD FUSION Owner Reports

Source: NHTSA Complaints Database

"Fuel cap codes, emission control codes and throttle actuator control code are now on all the time. i had taken it back to ford, but light had went out at the time. i was told that the codes do not log in ecm. i was told they could hook up equipment, there would be no codes and the cost $90.00."

— 2010 FORD FUSION owner · POWER TRAIN,VEHICLE SPEED CONTROL,FUEL/PROPULSION SYSTEM · Filed 06/01/2013

"Was driving out of a parking lot car suddenly stalled when accelerating. had to park and restart car to reengage engine. wrench and engine lights came on. car stalled out three more times going around the block. diag code was p0455. dealer initially replaced purge valve."

— 2010 FORD FUSION owner · POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM · Filed 07/10/2012

"Tl* the contact owns a 2011 ford fusion. while driving, the check engine warning indicator illuminated. the vehicle was driven to the contact's residence where it displayed code: p0455 (evap system leak detected)."

— 2011 FORD FUSION owner · ENGINE,FUEL/PROPULSION SYSTEM · Filed 11/06/2018

"Car keeps displaying check fuel fill inlet, now check engine light is on. while filling tank at local gas station strong smell of fuel around and inside of car. this has happened on more than one occasion. obd ii reads code p0455."

— 2011 FORD FUSION owner · FUEL/PROPULSION SYSTEM · Filed 08/23/2013

All reports filed by vehicle owners directly with the U.S. Department of Transportation.

📊 Complaint Trend by Model Year

2

'10

2

'11

Common Causes on FORD FUSION

Based on NHTSA complaint component analysis for this vehicle.

POWER TRAIN,VEHICLE SPEED CONTROL,FUEL/PROPULSION SYSTEM 25%

POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM 25%

ENGINE,FUEL/PROPULSION SYSTEM 25%

FUEL/PROPULSION SYSTEM 25%

What To Do Next

1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.

Frequently Asked Questions

What does P0455 mean on a FORD FUSION? ▾

P0455 indicates: EVAP System Leak Detected - Large Leak. This is a emission controls code. 4 FORD FUSION owners have reported this to NHTSA.

What are the most common causes of P0455 on FORD FUSION? ▾

Based on 4 NHTSA reports, the most commonly cited components are: Power Train,Vehicle Speed Control,Fuel/Propulsion System, Power Train,Engine,Fuel/Propulsion System, Engine,Fuel/Propulsion System. These percentages are based on the component field in owner complaints.

Is P0455 serious on my FORD FUSION? ▾

Of 4 NHTSA reports for this code on FORD FUSION, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my FORD FUSION shows P0455? ▾

1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare.