Tl* the contact owns a 2004 ford explorer sport trac. the contact stated that while driving approximately 60 mph, the vehicle stalled without warning. the failure occurred on numerous occasions. the vehicle was taken to an independent mechanic, who diagnosed that the cam sensor, crank sensor, and the fuel pump needed to be replaced. the repairs were completed by the contact but the failure persistent. the manufacturer was not notified of the failure. the approximately failure mileage was 90,000.