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.
123456 is the firing order from the GM HAYNES REPAIR MANUEL
the firing order is 123456
"What is the firing order on an 1994 Oldsmobile cutlass supreme 3.4L engine?"
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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.
All 3.1 engines have the same firing order - It is 1,2,3,4,5,6
123456
As easy as it gets. 123456 123456
123456
123456
123456
123456