Why does the car's water temperature rise quickly in summer?

[MadelineFitz]

There are many reasons for high water temperature in cars, mostly caused by water pipe leakage and insufficient coolant. Here is some extended information about the car's water temperature gauge: 1. Structure of the water temperature gauge: Its sensor is a thermistor-type sensor, fixed with threads on the engine's coolant passage. The thermistor determines the current flowing through the coil winding of the water temperature gauge, thereby driving the pointer to swing. 2. Introduction to the water temperature gauge: The water temperature gauge is an instrument that displays the temperature of the coolant, measured in ℃ (Celsius). In the past, tap water was used as the coolant for car engines, but now many car engine cooling systems use specialized coolant, hence it is also called the coolant temperature gauge. Some water temperature gauges use indicator lights instead, where the water temperature indicator light turning on indicates that the water temperature is too high.