However, if everything looks good when checking, you might have a dry and cracked gasket. Mechanical system components such as the water pump, radiator, and belt components might be affected. If you have previously checked the coolant vehicle and left it for a few more hours and the problem persists, then it’s more likely that you have a problematic mechanical component that has been damaged. It is the worst possible case scenario for a coolant light flashing problem. If we see an increase in temperature often and it reaches 100 degrees Celsius, then it might be time to have your car checked and examined. The engine may entirely freeze if you continue to use it even if you know it is overheating. When it happens, stop driving, for it will cause extensive and costly damages to the engine itself. Take note that the engine must be running for the coolant cycle system to function correctly, but in some cases, when the weather is too hot, overheating issues will occur, leading to a coolant light flashing. It may, however, increase after a long climb in which the engine has been operating for a long duration. Typically, the coolant temperature under typical drive conditions is 80 to 90 degrees Celsius. Overheating EngineĪnother issue related to a coolant flight flashing is that you may have engine overheating issues. In an emergency, you may use distilled water to fill it up so that you can safely go to a gas station or any auto shop to buy a coolant refill.ĭo make sure that you purchase the designated coolant for your car.Īfter starting the engine and allowing the coolant to warm up, the coolant level in the reservoir may increase enough to switch off the coolant light. Make a stop-over and thoroughly check your engine but before that, let the engine cool down.Ĭheck next to the coolant level, and if it tells you that it is low, you must add engine coolant to make it run again. The worst case is if you need to go home, then you should check if your engine is overheating or not. Do not continue to drive and make a stop, for it might cause trouble in the end. Whenever you notice this warning sign, please don’t ignore it. It would be best to do it frequently to prevent getting stranded in a deserted place.
The coolant light will flash to alert you and avoid further engine damage if it goes under the threshold level.īefore you go anywhere or plan to travel to a faraway place, you should first check the coolant level, and filling it up is a standard operating procedure. Its task is to absorb heat produced by the car’s engine and move it to another area where it may be dispersed and restarted-generally, having a coolant light flashing means that you have a low coolant level on your car. Coolant Level LowĮngine coolant is a combination of ethylene glycol and water. If not, then the issue isn’t with the level sensor anymore. In many situations, the sensor is built into the coolant reservoir, necessitating the replacement of the whole reservoir.Īdditionally, you may test the sensor by disconnecting the harness connection and bridging the two wires with a paper clip to see whether this turns off the light. The resistance should gradually change in this manner, and if the resistance on the temperature remains constant or doesn’t change, then both sensors must be replaced. If both devices are working, your next move is to remove the harness and inspect the sensor thoroughly for resistance.īecause whenever the coolant level is full, there shouldn’t be any resistance since the level is in a closed-loop system.Īfter inspecting, check the temperature sensor if it is cold and turn the engine on to check if it becomes heated. You should check your coolant temperature and level sensors to ensure that both components work. If your coolant light is flashing read continuously, it mainly shows that you have a problematic sensor that is not communicating with your computer system at that moment. 6 Common Causes Of Coolant Light Flashing 1. Below are some tips and tricks to handle coolant light flashing problems. If you are looking for a solution, then you’ve come to the right place.
LOW COOLANT LEVEL WARNING LIGHT HOW TO
Also, it will take enough knowledge to determine the cause and how to fix it. Sometimes it’s not easy to tell what’s wrong until the issue has been diagnosed. It would be best if you never disregarded any indication on the dashboard concerning the coolant temperature should. Not knowing the real reason behind this problem will lead you to a stop in your ride. Looking forward to the days ahead, and suddenly while driving, you notice that you have a flashing coolant light in your dashboard. 6 Common Causes Of Coolant Light Flashing.
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