One problem related to ignition has been reported for the 2003 Buick Lesabre. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2003 Buick Lesabre based on all problems reported for the 2003 Lesabre.
The contact owns a 2003 Buick Lesabre. The contact stated that the vehicle would stall sporadically without warning when driving at least 60 mph. The contact took the vehicle to the dealer and a local independent mechanic for diagnostic testing but no failure codes would generate. The contact replaced the ignition key but it did not remedy the failure. The contact had concerns that the vehicle stalling in traffic could cause a major crash and did not feel safe operating the vehicle. The failure mileage was 76,000.