That's just the thing. I was watching the gauge climb as I was sitting in bumper-to-bumper morning traffic. It was barely 11:00 in the morning and it was already shaping up to be a hot one. Then I turn on the A/C, the fans immediately came on and the gauge gradually came down. Never mind the fact that the A/C doesn't work and I still had to drive with the windows down.if youre not overheating, youre fine.
if you are overheating, then change out the coolant temp sensor. its only about 18 bucks at autozone.