2016 GMC YUKON XL Engine And Engine Cooling Problems

The contact owns a 2016 GMC Yukon XL. The contact stated while driving approximately 70 MPH, the check engine warning light started to flash. The contact stated that the vehicle started to lose motive power. The contact depressed the accelerator pedal, and the vehicle shook violently. The contact pulled off the highway and the vehicle stalled. The contact restarted the vehicle, and the check engine warning light was flashing with DTC: P0300 displayed. The contact stated that the engine was making an abnormal knocking sound. The contact turned off the vehicle and the vehicle towed to the residence and then to a local dealer. The dealer diagnosed the vehicle and determined that a bearing in the cam shaft had failed and had sent metal shavings into the engine. The dealer determined that the engine needed to be replaced. The vehicle was not repaired. The manufacturer was informed of the failure....

The contact owns a 2016 GMC Yukon XL. The contact stated that while stopped at a red light and depressing the accelerator pedal, the vehicle jerked and jumped forward. There was a loud sound coming from the engine. The accelerator pedal was depressed but the vehicle failed to accelerate above 5 MPH. The check engine warning light was illuminated. The contact veered to the side of the road. After several attempts, the vehicle restarted. The vehicle was taken to the local dealer, where it was diagnosed that there was a misfire on the lifter in cylinders #1 and #7. The vehicle was not repaired. The dealer informed the contact that the warranty coverage was declined. The manufacturer was contacted and declined a buyback. No assistance was provided. The failure mileage was approximately 96,891.