Where is the temp. sensor located
SOURCE: I have a 94 Ford Taurus. The temp gauge is registering hot
may be you gauge nedd to be calibrated
SOURCE: my heater does not get hot also my temp gauge
your thermostat might be stuck open so while idle it can warm up but as soon as the motor increases speed it cools down quick
SOURCE: Temperature needle stays on the hot and doesnt move even when the car is cold?
YOur guage is faulty. Your will need to replace your guage if it stays in the hot position even when your car is off and your key is out of the ignition. If it only rises to hot when you turn the key to the run position, you have a wire between your guage and your temp sending unit that has been gounded out. Usually this happens when a person opens their hood to add oil or perform some minor maintenance on the engine and inadvertantly bumps the sensor or switch or wiring. This causes about 65% of these minor issues people incur, but if it does stay all the way up with your key out of the ignition switch, then you will need to replace your temp guage.
SOURCE: Temp gauge stays on hot even when car is cold?
could be the guage itself in the instrument cluster or could be both the two wires are short to ground or touching together depends on the vehicle some vehicles the signals goes to the ecm or computer and the ecm sends data to the cluster if the sensor is good check the wiring one should be floating or open ,the other should be body ground black or brown danny
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