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A Coolant Level Sensor is like a multimeter which measures resistance of a certain amount of water. Water has conductive minerals in it therefore conducts electricity. A certain amount of water has a certain resistance to electricity. Fixing this voltage at, for clarity's sake, 12.0v, we can change the resistance of the conductor carrying this 12v by adding more water (and the minerals which conduct in it), or taking water away. like a fuel guage, At a certain resistance, the sensor will give off a certain reading. The fuel guage uses the change in this reading to move a needle, the coolant temp sensor uses this reading to trigger events in the cars ECU (Electronic Control Unit) or BCM (Body Control Module). The ECU or BCM will then light the dashboard warning for the Coolant Low Warning and log A DEC (Diagnostic Error Code) and probably also flag the CHECK ENGINE LIGHT on your dash. When the coolant is topped up again, the coolant sensor sends a different signal as it sees a different resistance, and turns off the dash light(s). Hope this helps!
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What causes the check coolant light to come on and off?
Coolant level low or level sensor malfunction.Coolant level low or level sensor malfunction.
Does the coolant level sensor turn the fans on?
No, the electric cooling fans turn on and off by a signal from the coolant temp sensor. The coolant level sensor only illuminates the low coolant light when you are low on coolant.
Does the coolant sensor need to be replaced if there are no leaks and the coolant level is fine?
Only if the sensor is malfunctioning.
How do you replace coolant level sensor?
It is in the passenger side coolant tank on the radiator. If the light is on and the coolant is at the proper level then the sensor is defective. To replace it you will have to drain the radiator. Disconnect the wire and remove the clip and remove the sensor.
Where is the coolant sensor on a 1999 Malibu?
The coolant level sensor is on the bottom of the coolant reservoir located on the passenger side fender well.
Coolant sensor float 2004 Malibu maxx?
The 2004 Chevrolet Malibu coolant sensor float is located in the radiator. The coolant sensor float replace the level of coolant to the instrument panel.
You are trying to figure out how to reset the low coolant light on the dash when the coolant level is correct and everything is working right on a 1997 cavalier thanks?
If coolant level is correct--sensor may be bad If coolant level is correct--sensor may be bad
Where is the ECT sensor located in a 2002 GTI?
G2 Engine Coolant Temperature (ECT) SensorG2 Engine Coolant Temperature (ECT) SensorG32 Engine Coolant Level (ECL) SensorG32 Engine Coolant Level (ECL) SensorG32 Engine Coolant Level (ECL) Sensor
Coolant light stays on?
The coolant level sensor in the reservoir is probably at fault.
Where is the Coolant Level Sensor on a 1996 Aurora?
Its located on the bottom of the coolant reservore.
Where is the coolant level sensor in a 2000 cougar?
It is at the bottom front of the coolant reservoir.
1997 JGC Laredo You have had the coolant sensor replaced but it still tells you that the coolant level is low does the computer need to be reset If so how is it done.?
There are two separate sensors that play here. the "coolant temperature sensor" and "coolant LEVEL sensor". I suggest confirming which of these was replaced, as it is very common for them to be confused. likely you will find the coolant sensor that was replaced was the one on the engine (temperature); The LEVEL sensor is mounted either in the coolant resivoir or in the radiator. Probably just need the proper sensor replaced.
