6, 2, 5, 4, 3, 1
The Buick Park Avenue Started In 1991
1-6-5-4-3-2
1-6-5-4-3-2
1,3,5 left ,2,4,6 right on most GM motors.
firing order for a 1991 cadillac deville
10w30
3
1-3-4-2
The Buick Park Avenue nameplate was first used in 1977 on a model of Buick Electra, but did not exist as a standalone model until 1991, when it replaced the Electra.
fuel pessure test
5 QTS
Inside the fuel tank.