The thermostat is registering temperatures in the
The thermostat on a 2008 Saturn Vue truck FWD 4 cyclinder is registering temperatures in the negatives degress and thus preventing the ac from engaging even though it's 80 degrees outside the vehicle.
Cars & Trucks - Saturn - Vue - 2008 Saturn VUE
Answers & Comments
The coolant temerature sensor/engine coolant temperature sensoris out of specs ,and should be replaced.