Three problems related to service engine light on 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.
Service engine light came on vehicle ran rough replaced valve body, tcc solenoid and pressure solenoid this complaint is against gm Buick division not dorschel service.
Service engine light came on. Dealer said code was an 0741 and 0743 showing electrical or possible tourque converter. Dealer said they were unable to duplicate. However it shuddered upon hard acceleration during merges onto freeway or turnpike ramps. The original estimate was about 3000. 00. The garage finally had to take apart the transaxle to for a diagnostic.
The engine suddenly shut down, causing the vehicle to lose all power causing vehicle not to start back up. Dealer has been contacted. Dealer said that engine has to be replaced. Cause of siezed engine could not be determined but repairs were made. Consumer informed that it could happen again. Consumer told to ignore 'change engine oil soon warning, then service engine light came on. Engine running rough and burnt oil could be smelled. Vehicle towed for repairs.