The engine generates a lot of heat when working，Resulting in a very high temperature in the engine compartment。Because this seabet iotemperature is far beyond what the human body can bear，So many people are always worried that if the engine temperature is too high, it will reduce the engine life or damage the engine。In fact, as long as the engine water temperature does not alarm, we don’t have to worry，Because the engine needs a certain temperature to work properly。

In fact, whether the engine temperature is high or low is very contradictory。High temperature will shorten the service life of some parts，And low temperature has a greater impact on the engine。We can understand it from these three aspects:

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The temperature of fuel is very high when it is burned in the cylinder，And heat will be transferred from high-temperature objects to low-temperature objects，The greater the temperature difference, the greater the heat transfer。

When the engine temperature is too low, more heat generated by fuel combustion will be transferred to the engine，As a result, the heat that should have been used to do work was wasted，The thermal efficiency of the engine will decrease。

Emissions

When it is popular，If the engine temperature is too low，Then when the flame spreads to the edge of the combustion chamber, it will be easily extinguished when it hits the relatively cold combustion chamber wall，Thus resulting in insufficient combustion seabet appof the mixture，Deterioration of exhaust gas，The hydrocarbon content in the exhaust gas will exceed the standard。

Lubrication

Engine operation is inseparable from good lubrication，The fluidity of lubricating oil is closely related to temperature。The fluidity of lubricating oil becomes poor when the temperature is too low，On the one hand, it will increase the oil loss of the oil pump，On the other hand, it also affects the oil circulation lubrication speed。

So the cooler the engine is not the better，But should work at a suitable temperature。We should always pay attention to the indicator lights on the dashboard during daily use of the car，If the water temperature warning light is on, it means the engine temperature is too high，We can’t move on at this point，If the water temperature alarm light does not light up, then there is no need to worry too much。