2019 Ford Fusion Hybrid engine problems

“2019 Ford Fusion Hybrid SE. Vehicle experienced a “Stop Safely Now” warning with hybrid system shutdown, occurring both while driving and while parked/idling, causing jerking symptoms. This puts driver and other roadway users at risk, as loss of power/propulsion can occur without warning while in motion. Vehicle also set a P0073 (ambient air temperature sensor circuit high) fault code. The ambient air temperature sensor was replaced (Ford part numbers AU5Z-12A647-B / FC4Z-12A647-A) but the underlying issue has not been fully resolved and diagnostics are ongoing. Vehicle also had a prior transmission replacement (January 2023). Vehicle has also had extreme, unresolved electrical issues: fuses repeatedly burning out, lights burning out, two horns replaced due to failure, backup camera display turning blue/failing, and dashboard warning lights randomly illuminating. The dealership has confirmed electrical issues are occurring but has not been able to identify the root cause despite inspection. Issue has been confirmed/reproduced by a dealer. Vehicle and components are available for inspection upon request. Exact onset date of symptoms is UNKNOWN, but warning lamps…”

“The contact owns a 2019 Ford Fusion. The contact stated while driving at an undisclosed speed, the check engine warning light illuminated. The vehicle was taken to Auto Zone where it was connected to a diagnostic machine and failure codes retrieved indicated that the failure was cylinder failure and a coil pack. The contact was informed that the cylinders and coil pack needed to be replaced. The vehicle was repaired; however, the failure reoccurred. The vehicle was taken to an independent mechanic where it was diagnosed with cylinder and head gasket failure. The vehicle was not repaired. The vehicle was then taken to the dealer where it was diagnosed with 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 a case was filed. The contact was advised to take the vehicle to the dealer for diagnostic testing. The failure mileage was approximately 143,000.”

“The contact owns a 2019 Ford Fusion. The contact stated while driving approximately 60 MPH, there was an abnormal rattling sound coming from the engine compartment. While the vehicle was stopped, the vehicle started shaking abnormally. On one occasion, while driving 10 MPH, the vehicle stalled. The vehicle was not able to be restarted and remained at the location for almost a week. The vehicle was then towed to the residence. The vehicle was taken to a dealer but was not diagnosed or repaired. The vehicle was then taken to an independent mechanic where it was diagnosed and determined that the flex plate was cracked and needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 101,000.”

“The car would periodically have white smoke coming out the exhaust I assumed it was bad gas and then all of a sudden it just had a ton of white smoke ended up being the the head gasket to the small block was bad and defective and Ford knew about it and did nothing about it. There was a safety performance alert, which I did not receive.The car is only six years old and I just paid it off.”

“The contact called on behalf of his girlfriend who owns a 2019 Ford Fusion Hybrid. The contact stated that while his girlfriend was driving 70 MPH, the automotive power was reduced. The message "Pull Over" was displayed, and the check engine warning light was illuminated. The driver immediately pulled over and restarted the vehicle. The vehicle was taken to an unknown local dealer to be diagnosed, and the dealer advised the contact that additional diagnostic testing was required to determine the cause of failure. The vehicle was not yet diagnosed or repaired. The manufacturer was notified of the failure. The failure mileage was approximately 140,000.”

“The contact owns a 2019 Ford Fusion. The contact stated that while having a routine oil change, the mechanic observed a leak in the oil pan. The vehicle was taken to three dealers and one independent mechanic where it was diagnosed that there was an oil pan gasket leak and the oil pan gasket needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The failure mileage was approximately 60,000.”