Buick Lesabre owners have reported 4 problems related to emission control (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Buick Lesabre based on all problems reported for the 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.
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all problems of the 2000 Buick Lesabre
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Evaporative control system failure required replacement of evaporator purge valve and canister.
Oxygen sensor failed. Yh.
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all problems of the 1997 Buick Lesabre
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1999 Buick Lesabre with a air flow sensor malfunction within the emissions system. Customer states that the check engine light illuminated sporadically. Then the engine failed completely.
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all problems of the 1999 Buick Lesabre
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