What Does a Coolant Sensor Light Mean?

Answer Most newer vehicles are equipped with a coolant level sensor. This sensor measures the amount of coolant in the vehicle and alerts the driver, via a light, if the level drops below a certain amount... Read More »

Top Q&A For: What Does a Coolant Sensor Light Mean

What does the coolant temperature sensor do?

A car's engine must operate at the correct temperature. The engine coolant temperature sensor tells the powertrain control module whether the engine temperature is warming, steady or cooling. To co... Read More »

What does low coolant mean?

When the low coolant light appears on your car’s dashboard, it means the coolant level in the overflow bottle is too low. Add a quart or two of coolant to the bottle, not the radiator, to solve t... Read More »

What Does Leaking Coolant Mean?

Coolant, also called antifreeze, is the fluid in your car that absorbs engine heat and transfers it to the radiator. Leaking coolant means that coolant is seeping out of the cooling system into oth... Read More »

What is a Coolant Temperature Sensor?

A coolant temperature sensor is an electronic sensor in a motor vehicle that indicates the temperature of the coolant in the vehicle. A malfunctioning coolant sensor negatively impacts the function... Read More »