Admin Why does my low coolant light stay on?
What causes the coolant warning light to come on? The most common reason for the coolant light to become illuminated is simply that the coolant level is too low. There may be a floating sensor in your coolant tank that triggers the warning light when the level drops. You may need to book a coolant change.
What type of sensor is a coolant level sensor?
float level sensor
A float level sensor is used to detect the coolant level inside the reservoir tank. The sensor is in a normally open position. When the fluid level in the reservoir tank is low, the magnet in the float activates the Reed Switch sending a voltage output to the customer electrical interface.
What to do if your Buick Regal has low coolant?
Enough of this; oil in the coolant, corroded sensor, worn out this and that, Dexcool (which is the best theory), crossing a 2000 ohm resistor over the contacts. Just unplug it and tape both the sensor receptacle and the pigtail well and check your coolant every month and look for leaks under the vehicle.
Where is the coolant sensor on a 2002 Buick Century?
Your 2002 Buick Century includes a radiator coolant sensor. This sensor, mounted on the inside of the radiator, tells you when your radiator needs coolant. When the coolant is low, the sensor causes a trigger to light up a warning light on the dashboard. As nice of a feature as the coolant sensor is, it can sometimes stop working.
Why does my Buick Regal alarm keep going off?
If the coolant (anti-freeze) gets old and contaminated it puts a coating on the probe thus blocking the signal for the coolant level’ You can pull the probe out (a job not for the meek) and clean it or you can just live with it because even putting fresh coolant may not make the alarm go away 8 people found this helpful.
What happens when the coolant sensor on my car stops working?
When the coolant is low, the sensor causes a trigger to light up a warning light on the dashboard. As nice of a feature as the coolant sensor is, it can sometimes stop working. When this happens, you should change the sensor, which is a fairly straightforward do-it-yourself project.