Originally Posted by Mike Sal
Thanks for the reply. We've only driven it about 4 miles (home from the seller) in 70 degree (F) weather. It did not overheat while setting in the drive way after we arrived, but the seller did tell me that it would warm up more than it should. I forgot to mention it's a 4.0L / automatic. It's got just over 200,000 miles on it, but still runs very smooth & quiet.
Is there a temp sensor on the motor that talks to the sensor in the front corner?
Yes and no. There is a single temperature sensor, but it doesn´t talk
The temperature sensor sends a resistance value, depending on the coolant temperature, to the PCM (Powertrain Control Module). The powertrain control module then sends a signal to the fan relay under the headlight.
When the coolant temperature indicator works ok, then the sensor is ok as well.
Did you check the fuse in the PDC under the hood?