Two problems related to emission control have been reported for the 2000 Buick Lesabre. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2000 Buick Lesabre based on all problems reported for the 2000 Lesabre.
When the gear was shifted from park to drive the vehicle jerked with out warning. The consumer was initially told the motor mounts were broken/weak, however the problem recurred, and the vehicle was taken back to the dealer, who then informed the consumer the wrong chip was used to control the idle speed. The problem was due to the type of emissions on the vehicle. Ph.
Evaporative control system failure required replacement of evaporator purge valve and canister.