The contact owns a 2017 Kia Sorento. The contact stated the check engine warning light was illuminated. The vehicle was taken to a certified mechanic who diagnosed the vehicle with engine failure. The mechanic replaced the air filter, brake fluid, serpentine belt, accessory belt, performed tire rotation, replaced the power steering fluid, and performed an oil change. The check engine warning light illuminated again. The vehicle was returned to the mechanic who replaced the ignition coil and spark plugs. The check engine warning light was illuminated. The vehicle was taken to the dealer who confirmed the diagnosis. The dealer replaced the valve cover gasket, fuel pump gasket, and coolant, performed a 3-point GGI induction service, refilled the brake fluid, and replaced a carbon air filter. The failure persisted and the vehicle was returned to the dealer who diagnosed the vehicle and determined that piston #3 had failed, and a spark plug was burned and needed to be replaced. The vehicle was repaired. While the contactas husband was driving approximately 65 – 70 MPH, the vehicle began to shake aggressively, and the engine had seized. There was no warning light during the failure. The vehicle was towed to the dealer to be diagnosed and the contact was informed that the engine needed to be replaced. The vehicle was not repaired. The driver had coasted to the side of the road where the vehicle was towed home with open fuel injectors and piston failure. The manufacturer was informed of the failure and a case was opened. The manufacturer informed the contact that the spark plugs needed to be replaced again. The failure mileage was approximately 92,000.