answersLogoWhite

0


Best Answer

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.

User Avatar

Wiki User

9y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: What is the firing order for 1990 cutlas supreme 3.1?
Write your answer...
Submit
Still have questions?
magnify glass
imp