The contact owns a 2017 Ford Fusion. The contact stated that upon starting the vehicle, the engine started to vibrate violently. The check engine warning light was illuminated. The vehicle was taken to an independent mechanic, who determined that coolant was leaking into the engine block, resulting in damages to the engine. The vehicle was not repaired. After investigating the failure, the contact related the failure to Customer Satisfaction Program: 21N12. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was 84,000.

- Saint Charles, MO, USA

The contact owns a 2017 Ford Fusion. The contact stated that the check engine warning light was illuminated. The vehicle was taken to the dealer, where it was diagnosed and determined that unknown gaskets had malfunctioned, causing fluids to leak into the engine. The engine was currently being replaced. The manufacturer was made aware of the failure and opened a case. The manufacturer referred the contact to the NHTSA Hotline to report the failure. The failure mileage was 75,000.

- Grosse Pointe Shores, MI, USA

The contact owns a 2017 Ford Fusion. The contact stated that upon the start of the engine, the "Service Engine Now" warning message appeared on the instrument panel. The vehicle was taken to a local dealer where it was diagnosed with coolant intrusion and needed an engine replacement. 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 49,000.

- Farmington Hills, MI, USA

See attached document for complaint.

- Erie, PA, USA

The contact owns a 2017 Ford Fusion. The contact stated while starting the vehicle, the vehicle shuddered abnormally. The message "Coolant Overheated" was displayed. The vehicle was taken to Firestone, where it was diagnosed with a coolant leak into the cylinder head gasket. The contact was informed that the cylinder head gasket needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure and the contact was referred to the NHTSA Hotline to report the failure. The failure mileage was approximately 104,965.

- Pioneer, CA, USA

The contact owns a 2017 Ford Fusion. The contact stated while driving approximately 35 MPH, the check engine warning light illuminated. The contact had taken the vehicle to an auto parts store where it was diagnosed and determined that the spark plugs needed to be replaced. The vehicle was repaired. The contact stated that the failure reoccurred, and the vehicle was driven to an independent mechanic who diagnosed the vehicle and determined that there was coolant intrusion into the engine block, and that the engine needed to be replaced. The contact had the vehicle towed to another independent mechanic who confirmed that the engine needed to be replaced. The mechanic advised the contact that the failure was related to Customer Satisfaction Program: 21N12 Coolant Intrusion Into the Short Block (Engine and Engine Cooling). The contact was advised that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was informed of the failure. The failure mileage was approximately 82,000.

- Painesville, OH, USA

The contact owns a 2017 Ford Fusion. The contact stated that the check engine warning light was illuminated, prompting the contact to drive the vehicle to the local dealer to be diagnosed. The dealer retrieved a fault code for cylinder #2 misfire. The contact was advised that the spark plugs, fuel injectors, and that engine needed to be replaced, due to coolant intrusion into the cylinder head. The contact was informed the failure might be related to a recall however, the VIN tool showed no open recalls. The spark plugs and fuel injectors were replaced. The manufacturer was notified of the failure. The approximate failure mileage was 61,000.

- Greenlawn, NY, USA

The contact owns a 2017 Ford Fusion. The contact stated that while driving at approximately 65 MPH, the engine overheated and check engine warning lights illuminated. The contact drove the vehicle to the local dealer, where the vehicle was diagnosed. The contact was informed that coolant had leaked into the engine, and that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure. The approximate failure mileage was 67,000.

- Sun Valley, CA, USA

The contact owns a 2017 Ford Fusion. The contact stated while driving at an undisclosed speed, the vehicle stalled with the check engine warning light illuminated. The vehicle was restarted; however, the failure recurred. The vehicle was taken to the dealer where it was diagnosed that coolant had leaked into the engine, causing engine failure. 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 NHSTA Hotline for assistance. The failure mileage was approximately 77,000.

- Erie, PA, USA

The contact owns a 2017 Ford Fusion. The contact stated while driving at approximately 25 MPH, the engine overheating warning light was illuminated with an audible chime. The contact pulled over and checked under the hood and became aware that the coolant reservoir was nearly empty. The contact refilled the coolant reservoir and restarted the vehicle. The vehicle was shifted into drive (D) but was unable to accelerate above 10 MPH. The contact had the vehicle towed to an independent mechanic who diagnosed the vehicle and determined that coolant had intruded into the engine block. The mechanic recommended that the engine be replaced. The vehicle was repaired. The manufacturer was informed of the failure. The failure mileage was 139,177.

- Gary, TX, USA

The contact owns a 2017 Ford Fusion. The contact stated while starting the vehicle, the engine was misfiring. The vehicle was taken to the dealer, where it was diagnosed with coolant intrusion into the engine. The dealer determined that the engine needed to be replaced. The vehicle was not repaired. The contact related the failure to Ford Campaign Number: 21N12. The manufacturer was notified of the failure, but no assistance was provided. The failure mileage was approximately 55,000.

- Greenwood, SC, USA

The contact owns a 2017 Ford Fusion. The contact stated that while cold starting the vehicle, the vehicle was shaking, vibrating, and idling roughly. The contact turned off and restarted the vehicle to reset the computer. The contact stated that the failure was intermittent but had become a recurring failure. The contact stated that the check engine warning light was illuminated. The contact had taken the vehicle to a local dealer, where it was diagnosed and determined that there was coolant intrusion into the cylinders and that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was informed of the failure. The failure mileage was approximately 61,000.

- Kingsland, GA, USA

The contact owns a 2017 Ford Fusion. The contact stated that while driving at approximately 35 MPH, the check engine warning light was illuminated. The contact drove the vehicle to a local dealer who diagnosed the vehicle and determined that coolant had leaked into the cylinders. The dealer recommended that the engine be replaced. The vehicle was not repaired. The manufacturer was informed of the failure. The contact researched online and related the failure to Technical Service Bulletin: 19-2346 Coolant Intrusion into the Cylinders (Engine and Engine Cooling). The failure mileage was approximately 70,000.

- Trenton, MI, USA

The contact owns a 2017 Ford Fusion. The contact stated while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken to an independent mechanic where it was diagnosed and determined that coolant was leaking into the cylinder and that the engine needed to be replaced. The vehicle was not repaired. The dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure and referred the contact to the NHSTA Hotline for assistance. The failure mileage was approximately 60,000.

- Columbus, OH, USA

The contact owns a 2017 Ford Fusion. The contact stated while driving at an undisclosed speed, the vehicle briefly vibrated, and there was excessive white smoke coming from the exhaust. The contact stated that the message "Low Coolant Level" was displayed, and the check engine warning light was illuminated. The vehicle was taken to an independent mechanic, who diagnosed a failure with the spark plugs. The vehicle was repaired, but the failure reoccurred. The vehicle was then taken to the dealer, who diagnosed a failure with the fuel injectors. The vehicle was repaired, but the failure reoccurred. The vehicle was taken back to the dealer, and the contact was informed there was a misfire in cylinder #2. The contact was informed that the engine 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 unknown.

- Duchesne, UT, USA

The contact owns a 2017 Ford Fusion. The contact stated while driving at an undisclosed speed, the vehicle started running abnormally rough, after which the check engine warning light illuminated. The vehicle was taken to an independent mechanic, who diagnosed a failure with the spark plugs and ignition coils, resulting in an engine misfire. The vehicle was repaired; however, the failure reoccurred. The contact stated that later, while driving at an undisclosed speed, the engine started overheating, after which there was a burning odor inside the interior of the vehicle, prompting the contact to pull over to the shoulder of the roadway to turn the vehicle off. After restarting the vehicle, the vehicle returned to normal functionality, but the failure became a regular occurrence. The check engine warning light was illuminated. The vehicle was towed to an independent mechanic, who diagnosed with head gasket failure. The vehicle was not repaired. After investigating the failure, the contact related the failure to Technical Service Bulletin: 19-2375. The manufacturer was notified of the failure, a case was opened, and the contact was referred to the NHTSA Hotline for assistance. The failure mileage was 85,000.

- Scranton, PA, USA

The contact owns a 2017 Ford Fusion. The contact stated that the check engine warning light appeared on the instrument panel. The contact initially took the vehicle to an independent mechanic where a code reader detected an engine misfire in cylinders #2 and #4. The contact personally replaced all four engine coils and spark plugs; however, the check engine light returned soon after the repair. The vehicle was taken to a dealer where a diagnostic test was performed. The diagnostic showed coolant intrusion into engine cylinders #2 and #4 which resulted in engine failure. The engine was replaced. The manufacturer was notified of the failure and the contact was informed that there were no recalls on the vehicle. The contact was given a case number. The contact was then referred to the NHTSA Hotline to report the failure. The failure mileage was approximately 118,000.

- Frankfort, KY, USA

The contact owns a 2017 Ford Fusion. The contact stated while driving at an undisclosed speed, the vehicle stalled with the check engine warning light illuminated. The vehicle was restarted; however, the failure recurred. The vehicle was taken to the dealer where the vehicle was diagnosed and determined that there was coolant leaking into the engine. The contact was informed that the engine needed to be replaced. The vehicle was repaired. The manufacturer was made aware of the failure and referred the contact to the NHSTA Hotline for assistance. The failure mileage was approximately 125,000.

- Harrisburg, PA, USA

The contact owns a 2017 Ford Fusion. The contact stated that the vehicle was shaking while idling, and then hesitated to accelerate. The contact stated that the engine overheated while driving at highway speeds of 50 MPH or higher. The check engine warning light was illuminated with a misfire. The vehicle was taken to the dealer who diagnosed that there was a coolant intrusion into the engine. The engine was replaced under warranty. The contact stated that the failure became persistent. The contact stated that the failure occurred after driving approximately 5 miles or while driving 45 MPH. The vehicle was returned to the dealer who diagnosed the vehicle with coolant intrusion and that the engine needed to be replaced again. The dealer informed the contact that the VIN was no longer covered under warranty. The vehicle had not been repaired. The manufacturer was made aware of the failure and a case filed. The manufacturer confirmed that the VIN was not covered under recall or warranty. The manufacturer referred the contact to the NHTSA Hotline to report the failure. The failure mileage was 28,000.

- Glen Rock, NJ, USA

The contact owns a 2017 Ford Fusion. The contact stated while operating the vehicle, the check engine warning light illuminated, and the vehicle stalled. The vehicle was towed to the local dealer who diagnosed that engine coolant was present inside the cylinders, and the engine needed to be replaced. The vehicle was not yet repaired. The manufacturer was notified of the failure, but no assistance was offered. The failure mileage was 76,000.

- Palm Coast, FL, USA