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What does it mean when the coolant temperature light flashes?

2 Answers

DePresley

07/25/25 4:37pm

The reasons for the coolant temperature light flashing: 1. Insufficient coolant or leakage causing temperature rise; 2. Problems with the cooling fan preventing timely heat dissipation during high-speed operation; 3. Issues with the circulation water pump, causing abnormal water circulation on the engine's heat conduction side and leading to cooling system failure. Precautions when the coolant temperature light flashes: 1. It is not advisable to continue driving when the coolant temperature light flashes on the dashboard; inspect and repair after the temperature drops; 2. Do not immediately turn off the engine; 3. Do not pour cold water on the engine for cooling, as it may cause the engine block to crack due to sudden cooling. The coolant temperature indicator light is yellow, displaying the temperature of the coolant inside the vehicle's engine.

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Daniela

08/11/25 9:54pm

Last time I encountered the flashing coolant temperature warning light was while driving home on the highway. As soon as I accelerated, the temperature light on the dashboard started flashing as an alarm, which scared me into pulling over immediately to check. The cause is usually engine overheating, possibly due to low coolant levels, a faulty water pump, or a clogged radiator causing poor heat dissipation. After stopping, I turned off the engine and waited for it to cool before opening the hood. I noticed the coolant level was low and added some distilled water, later discovering at the repair shop that there was a small leak in the cooling system. It's recommended to check the coolant level and replace the fluid every six months to avoid engine damage due to neglect. Ignoring the warning light and continuing to drive could lead to engine failure, with repair costs running into thousands. Extra caution is needed during summer driving—high temperatures reduce cooling efficiency, and frequent air conditioning use adds extra strain. Regular maintenance is key, as it can at least minimize unexpected breakdowns.

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