Quote Originally Posted by suede View Post
ok kind of a question, I live in South Dakota and about now its cold as hell here, some days the car wont go over 150-160 degrees, but other days it will warm up to its 210 and stay right there. Is there somthing wrong or a 160-180 without fans reprogramed?
Can't say for sure,,,if you are using the gauge in the dash. Those electric gauges will only give you a rough idea of where the motor is as far as temperature. It's not like they have 5 degree increments to follow while the needle sweeps.

It's best to use a scan tool hooked to the diagnostic port and go for a drive, then you can read exactly what the computer is seeing.

But to somewhat answer you question,,,your scinerio sounds something like a cooler thermostat installed without the fans reprogrammed.