Engine Firing Orders: 1999
Buick Century 3.1 liter V-6 VIN "M" Buick LeSabre 3.8 liter V-6 VIN "K" Buick Park Avenue 3.8 liter V-6 VIN "K" Buick Park Avenue Ultra 3.8 liter SC V-6 VIN "1" Buick Regal 3.8 liter SC V-6 VIN "1" Buick Regal 3.8 liter V-6 VIN "K" Buick Riviera 3.8 liter SC V-6 VIN "1"
Additional Information provided courtesy of AllDATA

