A faulty coolant temperature sensor can damage your engine. Here's how to tell if yours has gone bad, plus how to fix it.

The engine coolant temperature (ECT) sensor monitors and relays engine coolant temperature information. The ECT is located on the engine block or thermostat housing. The external or ambient ...

Also referred to as an ECT sensor, a coolant temperature sensor is one of a vehicle's more vital safeguards against overheating as it directly gauges the temp of an automobile's coolant.