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What 175 owners told NHTSA about the 2020 Ford Fusion

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (175)Crash / fire / injury (13)Transmission & drivetrain (66)Engine (47)Electrical system (37)Fuel system (12)Steering (11)Brakes (10)Driver assistance (8)Engine & cooling (6)Body & structure (5)Suspension (5)

6 of 175 complaints match · Engine & cooling · clear filters

Jul 6, 2026Engine & cooling

The contact owns a 2020 Ford Fusion. The contact stated that while driving at an undisclosed speed, the engine stalled. No warning lights illuminated. The vehicle was able to restart after several attempts. The vehicle was taken to the dealer, where it was diagnosed with coolant intrusion into cylinders 3 and 4. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 87,127.

NHTSA ODI 11748487

Jul 30, 2025Engine & cooling

The contact owns a 2020 Ford Fusion. The contact stated that upon starting the vehicle, the contact noticed smoke coming from the engine compartment. There was no warning light illuminated. The vehicle was taken to the dealer, where it was diagnosed that coolant intrusion into the cylinder had caused the engine to fail. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure and referred the contact to the NHTSA hotline for assistance. The failure mileage was approximately 112, 000.

NHTSA ODI 11677234

May 13, 2025Engine & cooling

The contact owns a 2020 Ford Fusion. The contact stated that upon starting the vehicle, her husband noticed white smoke coming out of the mufflers. The vehicle was taken to the dealer, where it was diagnosed that the engine short block had failed and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 111,000.

NHTSA ODI 11660649

Mar 19, 2025Engine & coolingEngine

The contact owns a 2020 Ford Fusion. The contact stated that while driving approximately 35 MPH, the message "Engine Coolant Over-Temperature" was displayed, and the temperature gauge warning light illuminated. The contact pulled over to the side of the road and turned off the vehicle. The vehicle was restarted after 20 minutes. The vehicle was taken to the residence. The vehicle was towed to a dealer, where it was diagnosed and determined that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was 132,000.

NHTSA ODI 11649222

Dec 2, 2024Engine & cooling

The contact owns a 2020 Ford Fusion. The contact stated the vehicle was started and the check engine warning light illuminated. The contact had taken the vehicle to an independent mechanic where it was diagnosed and determined that there was coolant intrusion into cylinder #2, and the engine needed to be replaced. The vehicle was not repaired. The manufacturer was not informed of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 68,000.

NHTSA ODI 11628210

Dec 11, 2021Engine & cooling

I can hear the coolant sloshing around and gurgling while the vehicle is in park with the heat on. When I turn the heat off, the sloshing and gurgling goes away. It appears that I do not have a coolant leak.

NHTSA ODI 11443428

Working with the data? Download all 175 complaints as CSV · fetched from NHTSA July 10, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2020 Ford Fusion verdict →