C5 External Temp Sensor

My 2000 external temperature sensor display seems to be a bit erratic. Sometimes, it seems to be working fine, then others it reads 48
degrees (when the outside temp is in the 70's). I just got the car, so maybe I'm just not used to the function.
BTW, this is my first Vette, and I love it! Other than the minor issue noted above, the car is perfect (in my view, anyway) Only 30,000 miles on it
thanks, Steve
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