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Is a Car Water Temperature of 120 Degrees Normal?

1 Answers

SerenityLynn

07/29/25 7:08pm

120 degrees is slightly high. Small cars generally operate between 80~90 degrees, and 120 degrees is close to the red line. Different engines have different normal water temperature ranges, with 80°C to 95°C being typical. Here are the details: 1. Normal Range: The engine defaults to 80°C as the closed-loop control point for the oxygen sensor, while 95°C is the maximum control point of the cooling system. To ensure the engine operates within the normal temperature range, cars are equipped with an engine coolant temperature sensor, usually displayed separately on the dashboard (water temperature gauge). If the antifreeze temperature is too high, an alarm will be triggered. 2. Causes: This issue is generally caused by two reasons: one is improper operation of the electric fan, and the other, more common possibility, is that the external cooling fins of the radiator and condenser are clogged with excessive dust or debris like willow catkins, significantly reducing cooling efficiency. Usually, cleaning the dust and debris from the radiator and condenser with high-pressure air can resolve the issue.

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