Change spark plugs
I had a 91 lumina. you have to undo the motor mounts on top and front and roll the engine forward to get room enough to get to the firewall side spark plugs.
Looking for a Used Lumina in your area?
CarGurus has 180 nationwide Lumina listings and the tools to find you a great deal.
Search Chevrolet Lumina Questions
Chevrolet Lumina Experts