Why is my coolant light 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.
How far can you drive with coolant light?
But it depends on the level of the coolant. If the coolant is low but above the minimum mark, then you are still fine to run the car for a few days, but if the coolant is below the minimum mark, please do not even try to drive your car like that so you don’t knock your engine. You need to top up the coolant.
Why does my coolant light keep flashing red?
If the coolant red light is flashing, then that means that a sensor is not responding to the computer system at that time. Check the coolant temperature sensor, and the coolant level sensor and make sure that they are plugged in. Remove the harness to them and check the sensor for resistance.
When does the indicator light stop flashing on a Toyota?
The indicator light stops flashing after the ENGINE START STOP switch has been turned to ACCESSORY or IGNITION ON mode to indicate that the system has been canceled. The indicator light flashes after the key has been removed from the engine switch to indicate that the system is operating.
When to replace a car coolant light sensor?
If your car is older, the sensor has deteriorated with time and may be failing but not entirely failed. It is not a bad idea to keep an eye on your sensor’s readings. Replacing a sensor that is starting to show extreme signs of age and wear can prevent future problems.
What does a crack in the coolant light mean?
Your coolant light might be signs of a more major engine problem. When you get a crack in the block or the intake gasket you will leak coolant and oil, usually slowly at first. You may not notice the difference at first, thinking that your tank is full. A repair to a cracked engine block or head gasket is an expensive repair.