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What to Do When the Car Shows High Engine Water Temperature?

1 Answers

DelJeremiah

07/30/25 7:39am

It is necessary to check whether the radiator coolant is normal and whether there is any leakage in the radiator, cooling hoses, and various components. Below are the inspection methods for high engine water temperature in cars: 1. When the engine is overheated, if the upper hose is hot but the lower hose is not, it indicates a problem with the thermostat. 2. If there is high pressure in the hoses when starting a cold engine, it suggests a cracked cylinder or cylinder wall. 3. If there is a milky white substance on the oil cap or floating oil in the coolant, it indicates a cracked cylinder or leakage in the oil cooler. 4. If certain areas of the radiator are not hot or there is a significant temperature difference, it means the radiator is clogged. 5. If the cooling fan does not turn, you can unplug the water temperature sensor connector to see if the fan turns to determine its condition. 6. If the cooling fan runs continuously, directly read the data stream to check if the water temperature sensor is giving false readings.

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