Check the intake manifold. It's usually written on them. I think it's 1-2-3-4-5-6.
The firing order for the 1996 Oldsmobile Cutlass Supreme SL is 1, 2, 3, 4, 5, 6. This is for the 3.1 Liter V6 engine.
"What is the firing order on an 1994 Oldsmobile cutlass supreme 3.4L engine?"
143625
123456 is the firing order from the GM HAYNES REPAIR MANUEL
All 3.1 engines have the same firing order - It is 1,2,3,4,5,6
The firing order for a 1990 Oldsmobile Cutlass Supreme with a 3.1 liter engine is 1-2-3-4-5-6. When facing the car, the spark plugs are 2, 4, and 6 in the front and 1, 3, and 5 in the back.
The firing order for a 1990 Olds cutlass supreme 3.1litre is 1, 2, 3, 4, 5, 6. The number one cylinder is closest to the pulleys on the left as you face it.
the firing order is 123456
1-8-4-3-6-5-7-2
1-8-4-3-6-5-7-2
1-6-5-4-3-2 and the dist turns clockwise
the firing order is 165432.