Service Engine Light On problems of the 1999 Buick Century

Two problems related to service engine light on have been reported for the 1999 Buick Century. The most recently reported issues are listed below.

car   Service Engine Light On problem 1
Failure Date: 06/22/2004

1999 Buick Century developed a rough idle right after start up. Then check engine light comes on. Nar the problem restricted the fuel injectors. The service engine soon light would flash and after some driving, it would reset itself and run okay until the next cold start cycle repeats itself.

car   Service Engine Light On problem 2
Failure Date: 06/07/2002

There is a tapping noise coming from motor. Dealer has been contacted. Consumer stated the service engine light comes on, consumer took the vehicle to the dealer. But the dealer refused to fix the problem.

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