What does it mean when my coolant light comes on for just a few minutes and then goes away once I start driving?

What does it mean when my coolant light comes on for just a few minutes and then goes away once I start driving?

The indicator is telling you that the fluid level is below the sensor, however, once you start driving and the engine heats up, the light should go off. If your coolant light stays on even after driving for a few minutes, then it’s time to check your coolant levels and the coolant sensor.

Why does my low coolant light keep coming 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. Low coolant levels are usually caused by leaks, either in the reservoir or somewhere in the lines.

Can I drive with coolant light flashing?

Do not drive if the temperature light is flashing. If the engine overheats and you continue to drive, you will cause expensive damage to the engine. You may blow a head gasket, or the engine may seize up.

What to do when the low coolant level warning light comes on?

Unless the solution is a simple one, don’t try to fix it yourself. When the low coolant level warning light comes on, you should stop driving. Pull over to the side as soon as possible and shut off the engine to prevent any additional damage. Here are some reasons why the low coolant light can appear.

Is it OK to drive around with low coolant?

If coolant reservoir is not completely empty and low coolant light is turning on only intermittently, is it ok to drive around for a day or so for short trips until this gets properly fixed? If it is better not to drive around in current condition, can I simply pour in a liter of distilled water to get the car around for a day or so?

Why does the low coolant sensor come on and off?

But when the low coolant sensor turns on and off no matter what the season is, you may have several questions in mind. The first step towards addressing the issue starts with inspecting the coolant levels. If that is not the case, then the following reasons could help you know better. 1. Sensor Malfunctioning

How does a coolant level sensor work in an expansion tank?

The coolant level sensor can be a float-type device, which activates the warning light when a low coolant level sends it to a low position in the expansion tank. Or it can involve electric sensors with two electrodes that are placed at the bottom of the expansion tank.