The contact owns a 2018 Ford F-150. The contact stated that when the vehicle was started, he observed a knocking sound coming from the engine compartment. The contact stated that the knocking lasted for approximately three to four seconds and then disappeared. The vehicle was taken to a dealer where it was diagnosed that the cam phasers 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 55,000.

- Boise, ID, USA

The contact owns a 2018 Ford F-150. The contact stated that on the initial start-up of the vehicle, the vehicle was shuddering. The contact stated that while driving at various speeds, the vehicle stalled without warning. The contact coasted to the side of the road and after several attempts was able to regain functionality of the vehicle. The failure was persistent. There were no warning lights illuminated. The vehicle was taken to the dealer who diagnosed that the cam phasers had failed and needed to be replaced. The dealer confirmed the failure was related to TSB: 10189763 (Engine and Engine Cooling) and 10199482 (Engine and Engine Cooling) however, the TSB had since expired. The vehicle had not been repaired. The manufacturer was made aware of the failure but confirmed that the recall had expired. The contact was referred to the NHTSA Hotline to file the complaint. The approximate failure mileage was 88,000.

- Saucier, MS, USA

The contact owns a 2018 Ford F-150. The contact stated while driving 65 MPH, the vehicle hesitated upon depression of the accelerator pedal, with the check engine warning light illuminated. Due to the failure, the contact pulled over and had the vehicle towed to a local dealer where the mechanic discovered a loss of compression in cylinder #6. The contact was also informed that the engine needed to be replaced due to a defective engine long block. The manufacturer was also notified of the failure. The vehicle was not repaired. The failure mileage was approximately 72,000.

- Charlotte, NC, USA

The contact owns a 2018 Ford F-150. The contact stated that at the initial start-up, while the vehicle was idling there was a clicking sound coming from the driver-??s side front end of the vehicle. The contact stated that the failure started after receiving an oil change and tire rotation. The contact was informed that the failure was related to TSB: 23-2052 (Engine and Engine Cooling) however, the vehicle was not yet repaired. The manufacturer was made aware of the failure. The contact was referred to the NHTSA Hotline for assistance. The approximate failure mileage was 124,207.

- Los Ebanos, TX, USA

The contact owns a 2018 Ford F-150. The contact stated while the vehicle was idling at a red light, the vehicle stalled and needed to be restarted. The failure persisted and whenever the vehicle was idling or the vehicle was coming to a stop, the vehicle would lose motive power and stall. The vehicle was taken to the dealer who completed a software update under an unknown TSB; however, the failure persisted. The vehicle was taken to another dealer who performed another software update. The dealer also stated that cam phasers and sensors needed to be replaced. The vehicle had not been repaired. The manufacturer was made aware of the failure and a case was opened. The approximate failure mileage was 25,000.

- Mcdonough, GA, USA