I gotcha. I tested the fans this morning by turning on the a/c and the fans kicked on. So, I let the car idle and warm up till the fans kicked on and they did. So I guess I'm chasing a problem that doesn't exist. Thanks for the help. It still seems weird though lol. My Denali gets to around 200* and stays there. I have EFI live, can I tune my car with it? Is there a tuner out there that uses EFI Live?