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Why is the engine water temperature always high?

2 Answers

ParkerDella

07/24/25 12:03am

There are several reasons why the engine water temperature remains high: 1. Water temperature issues caused by installation problems. (1) The radiator is too far from the engine. (2) The air conditioning condenser is blocking the front of the radiator. 2. Water temperature issues caused by usage and maintenance problems. (1) The gasoline does not meet the required octane rating, or the ignition timing is too advanced. (2) Check the engine oil and water level daily before driving to ensure the radiator is filled with water. (3) A loose fan belt can cause high water temperature. Adjust the belt tension appropriately. 3. Malfunction of certain components may lead to high water temperature. (1) If the idle speed is too low when the air conditioning is on, it can cause high water temperature. (2) An uneven cylinder head surface or a blown head gasket can lead to high water temperature. (3) Faulty components in the engine cooling system (such as the thermostat, water pump, or fan clutch) can cause the water temperature to rise excessively.

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Phoebe

08/10/25 7:52pm

I've been driving for many years, and high engine temperature is a common issue. The causes usually lie in insufficient coolant, a dirty or clogged radiator, or a faulty fan that prevents the temperature from dropping. Last time my temperature warning light came on, and upon inspection, it was a water pump failure causing poor water circulation. There was also a thermostat stuck in the closed position, making the engine heat up quickly and cool down slowly. If ignored for a long time, the engine may overheat and damage the cylinder gasket, leading to a costly repair of several thousand dollars. If you notice abnormal engine temperature, don't panic. First, pull over safely, turn off the engine, and wait about ten minutes for it to cool down before opening the hood to check the coolant level. If it's low, add the appropriate coolant. If the problem persists, contact a professional mechanic immediately—even calling for a tow truck is worth it, as safety is the top priority. Regular maintenance is key; change the coolant every six months to prevent deterioration.

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