What Causes the Car Engine Temperature Warning Light to Illuminate?

1 Answers
Lucy
07/29/25 4:56pm
Reasons for the car engine temperature warning light to illuminate: 1. Abnormal engine temperature, either too high or too low, can cause the temperature light to flash; 2. Low coolant level, which will trigger the temperature light to flash—this situation requires adding more coolant; 3. Faulty sensor, if the light continues to flash after adding coolant, it is likely a sensor issue; 4. Thermostat removal, it is recommended to reinstall the thermostat. When encountering an overheating warning, first reduce speed, then pull over to the side of the road. Do not immediately turn off the engine, as excessive heat can cause the pistons, cylinder walls, cylinders, and crankshaft to overheat, thinning the oil and reducing its lubricating properties.
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