one of my spark plugs fits to loose
try a different brand and see what happens?
how do the spark plug threads on the head look?
You may need to have an insert or a heli-coil installed to repair thread damage.
Looking for a Used Grand Am in your area?
CarGurus has 1,033 nationwide Grand Am listings and the tools to find you a great deal.
Search Pontiac Grand Am Questions
Pontiac Grand Am Experts