So, I'm no stranger to overheating issues. This is my first experience with my VX. I say its unusual because while its overheating it cools down at idle. The higher speed I travel and the more throttle I give the hotter it gets. If I let off the gas it drops a bit. And sometimes when I come to a stop it drops all the way back to normal. I am a very novice mechanic and need some help. Please!