Problems · by component
2016 Ford Fusion Hybrid engine and engine cooling problems
100 owner complaints to NHTSA about the 2016 Ford Fusion Hybrid cite engine and engine cooling, 7% of all 1,468 complaints for this model year.
Complaints
100
7% of all complaints
Crashes
1
Reported by owners
Fires
0
Reported by owners
Injuries
1
Reported by owners
What owners say about the engine and engine cooling
Verbatim from NHTSA complaints, newest first
“The contact owns a 2016 Ford Fusion. The contact stated that while stopped in traffic or at a red traffic light on several occasions, on the way to an independent mechanic, the vehicle stalled. The contact stated that the vehicle was able to restart on each occasion after several attempts. The check engine warning light was illuminated. The contact stated that upon taking the vehicle to the independent mechanic and turning the vehicle off, the vehicle failed to restart. The mechanic diagnosed that the unknown sensor parts needed to be replaced. The vehicle was repaired, but the failure reoccurred a few months later. The vehicle was taken to the same independent mechanic on three occasions, where a tune-up was completed, and unknown parts were replaced; however, the failure persisted. The vehicle was taken to a dealer, where it was diagnosed with coolant intrusion into the cylinder due to a crack in the engine block. The dealer determined that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 70,000.”
“The contact owns a 2016 Ford Fusion. The contact stated that while driving at an undisclosed speed, the vehicle briefly shook violently, prompting the contact to discontinue driving the vehicle. The check engine warning light was illuminated. The vehicle was taken to an independent mechanic, who determined that there was coolant intrusion into various cylinders resulting in damages to the engine. The contact was informed that the engine needed to be replaced. 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, a case was opened, and the contact was referred to the NHTSA Hotline for assistance. The failure mileage was 99,900.”
“The contact owns a 2016 Ford Fusion. The contact stated that while driving at various speeds, an abnormal knocking sound was coming from the vehicle. The contact's husband changed the spark plugs; however, the failure persisted. The failure persisted, and the check engine warning light illuminated. The vehicle was taken to an independent mechanic where it was diagnosed with coolant intrusion into the cylinder, resulting in engine failure. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. Several dealers were notified of the failure; however, each dealer informed the contact that there were no recalls related to the VIN. The manufacturer was made aware of the failure and provided a case number. The contact was referred to the NHTSA Hotline for further assistance. The failure mileage was approximately 117,000.”
“The contact owns a 2016 Ford Fusion. The contact stated while driving at an undisclosed speed, the check engine warning illuminated, and the message to change spark plug #2 was displayed. The contact stated that whenever the vehicle was started, there was white smoke coming from the exhaust. The vehicle was taken to another independent mechanic, where it was diagnosed with coolant intrusion in cylinder #2, causing engine failure. The contact was informed that the engine needed to be replaced. The vehicle was not repaired. The contact stated that weeks before the failure, the vehicle was taken to an independent mechanic, who diagnosed the vehicle and determined that the solenoid and ignition coils 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 approximate failure mileage was approximately 120,000.”
“The contact owns a 2016 Ford Fusion. The contact stated that while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed with coolant intrusion into the cylinders, causing engine failure. The contact was informed 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 a case was opened. The contact was referred to the NHTSA Hotline for further assistance. The failure mileage was approximately 87,000.”
“The contact owns a 2016 Ford Fusion. The contact stated that while the vehicle was parked, the vehicle was shuddering abnormally. The check engine warning light was illuminated. The vehicle was taken to an independent mechanic, where it was diagnosed that there was an internal coolant intrusion into the cylinders and that the engine needed to be replaced. The independent mechanic made the contact aware of an unknown NHTSA Campaign Number; however, the VIN was not included. The vehicle was not repaired. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline to report the failure. The failure mileage was approximately 115,385.”
Showing 6 of 100 reports. Read every report on NHTSA.gov.
Data from NHTSA Complaints API (owner reports, unverified) · synced Oct 30, 2026NHTSA vehicle page
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.