One problem related to engine exhaust system has been reported for the 2003 Lincoln Navigator. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Lincoln Navigator based on all problems reported for the 2003 Navigator.
Without warning the vehicle stalled while the consumer was driving at an undetermined speed. The consumer contacted the dealer on four separate occasions and the problem still continued. When idling the vehicle made a pressure like noise that would get louder, the low oil indicator light would come on, the valves had a tapping sound that was abnormal, there was a metal scraping sound which as if the bottom was going to drop out, there were exhaust noises along with a popping sound, and there was continuous stalling. The consumer stated there was an ongoing dispute regarding the odometer reading. Also the brakes and door locked never worked.