2007 ford five hundred starts to over heat could it be the coolant temp senor

Is the vehicle overheating or is the gauge in the instrument cluster just showing it is overheating ? What's the temp. of the engine ? Using a infrared temp gun point at the upper radiator hose at the engine . At 223 degress the computer should turn on the cooling fan's , or another way to tell would be to hook up a professional scan tool a view coolant temp sensor data , what temp is the PCM seeing . Do the cooling fans come on ? Is the check engine light on ? Probably would be if the coolant temp. sensor was bad ! Testing to find the problem is the correct way to a fix , not guessing ! The electronics on your vehicle are very complex , computer controlled . Your best bet would be to take it to a qualified repair shop .
http://www.tequipment.net/Fluke62MAX.html?utm_source=Bing_Yahoo&utm_medium=cpc&utm_campaign=Shopping_Campaign&/?utm_content=infrared%20temp%20gun&utm_term=&utm_campaign=Shopping%20Campaign(BSC)&utm_source=Bing_Yahoo&utm_medium=cpc