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