Two problems related to other fuel system have been reported for the 1999 Buick Lesabre. The most recently reported issues are listed below.
Vehicle was brought in for a full fuel line replacement. Technician reported that the body and sub-frame are corroded to the extent that the vehicle should not be driven on the road.
The contact owns a 1999 Buick Lesabre. The contact noticed a fuel odor and observed fuel leakage. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The approximate failure mileage was 169,000.