Problems · by component

2015 Ford Fusion Hybrid engine and engine cooling problems

52 owner complaints to NHTSA about the 2015 Ford Fusion Hybrid cite engine and engine cooling, 5% of all 996 complaints for this model year.

Complaints
52
5% of all complaints
Crashes
0
Reported by owners
Fires
0
Reported by owners
Injuries
0
Reported by owners
01 —Owner reports

What owners say about the engine and engine cooling

Verbatim from NHTSA complaints, newest first
“The contact owns a 2015 Ford Fusion. The contact stated while driving at various speeds, the engine overheating warning light illuminated. The contact stopped the vehicle, and the vehicle was towed to an independent mechanic. The vehicle was diagnosed, and it was determined that an engine sensor had failed and needed to be replaced. The vehicle was repaired; however, the failure reoccurred. The contact stated that the failure reoccurred 2 more times. The contact stated that during recent failure, there was a misfire coming from the engine and the engine was idling rough. The vehicle was driven to the same mechanic, who diagnosed the vehicle and determined that there was coolant intrusion into the engine block, and the engine needed to be replaced. The vehicle was not repaired. The manufacturer was informed of the failure. The failure mileage was approximately 175,000.”
Owner complaint to NHTSAFiled Jul 29, 2025Engine and engine coolingODI 11676906
“The contact owns a 2015 Ford Fusion. The contact stated while starting the vehicle, the check engine warning light remained illuminated, and the vehicle failed to immediately start. The vehicle was taken to the local mechanic who diagnosed and determined there was coolant inside the cylinders and informed the contact that the engine long block needed to be replaced. The vehicle was not repaired. The manufacturer and local dealer were notified of the failure, but no assistance was offered. The failure mileage was 100,000.”
Owner complaint to NHTSAFiled Jul 18, 2025Engine and engine coolingODI 11674584
“The contact owns a 2015 Ford Fusion. The contact stated while driving 40 MPH, the temperature gauge indicated that the engine was overheating, and the vehicle started losing motive power. The contact turned off the vehicle for three minutes and then immediately drove the vehicle to the local mechanic. The vehicle was taken to two independent mechanics. The first independent mechanic diagnosed the vehicle and determined that the head gasket had failed and needed to be replaced; however, the mechanic was unable to perform the repair. The vehicle was then towed to the second independent mechanic 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 and informed the contact that there were no recalls on the VIN associated with the failure. The contact was referred to the NHTSA Hotline for assistance. The failure mileage was 144,000.”
Owner complaint to NHTSAFiled Jun 30, 2025Engine and engine cooling, EngineODI 11670322
“The contact owns a 2015 Ford Fusion. The contact stated while driving approximately 40 MPH, the message that the engine was overheating was displayed. The contact stated that the temperature gauge indicated that the engine was hot(H). The contact drove the vehicle to an independent mechanic who diagnosed the vehicle and determined that there was coolant into the cylinder. The contact was advised that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was informed of the failure and referred the contact to the Hotline to report the failure. The failure mileage was approximately 113,000.”
Owner complaint to NHTSAFiled May 7, 2025Engine and engine coolingODI 11659443
“The contact owns a 2015 Ford Fusion. The contact stated while driving at an undisclosed speed, there was heavy white smoke coming from the exhaust pipes before the vehicle shut off unintendedly. The contact stated that there was a leak coming from the catalytic converter and the check engine warning light was illuminated. The vehicle was taken to an independent mechanic who discovered a blown head gasket due to coolant intrusion into the cylinders. The vehicle was not repaired. The manufacturer was notified of the failure and the contact was informed that there were no recalls on the vehicle. The contact was provided a case number and referred the contact to the NHTSA Hotline to report the failure. The failure mileage was approximately 134,000.”
Owner complaint to NHTSAFiled Apr 28, 2025Engine and engine cooling, EngineODI 11657223
“The contact owns a 2015 Ford Fusion. The contact stated that while driving at an undisclosed speed, there was an engine misfire. Additionally, the vehicle stalled and lost motive power. No warning light was illuminated. The contact stated that after several attempts, the vehicle restarted. The vehicle was driven to the residence. The contact stated that an independent mechanic inspected the vehicle and became aware of white smoke coming from the exhaust pipe. The vehicle was diagnosed with coolant intrusion and engine failure. The vehicle was not repaired. The dealer was made aware of the failure. The manufacturer was made aware of the failure. The failure mileage was approximately 149,000.”
Owner complaint to NHTSAFiled Mar 21, 2025Engine and engine cooling, EngineODI 11649800

Showing 6 of 52 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.