ok so i have a 1997 grand prix gtp basic no mods just my go to work car recently the temp gauge has been fluctuating going from just under 210 back to the quarter mark had the coolant flushed and bled the bubbles out with the cap off method but still running hotter then normal have the ses light on but i havent gotten a chance to pull the codes yet any help in a next step other then the obvious pulling codes would be helpful and much appreciated thanks
michael