Traditional Culture Encyclopedia - Weather inquiry - Will fuel consumption be high in hot weather?
Will fuel consumption be high in hot weather?
When it comes to heating in winter, many drivers think that it doesn't consume oil to turn on the warm air, because the warm air is not "heated" by the compressor, but is heated by raising the engine temperature, that is, the heat released by the engine itself is blown into the compartment by the blower. The operation of the blower needs electricity, which will also increase the engine load, thus consuming oil, but it is far less than the oil consumption when the air conditioner is turned on in summer.
The oil consumption in winter is sometimes higher than that in summer, which is mainly a normal phenomenon caused by weather factors. Generally speaking, the engine needs to be maintained at normal temperature, about 80℃-90℃. If the temperature is too high, the cooling system of the engine will automatically increase the water circulation speed, increase heat dissipation and take away excess heat; On the contrary, reduce the circulating speed of cooling water and keep the necessary temperature. This is also the most basic cooling principle of the engine. In winter, the engine needs heat preservation rather than heat dissipation.
Due to the influence of flowing air, the temperature of the engine is not easy to keep around 80℃, which will increase the fuel injection and change the "ignition advance angle" to keep the temperature. At the same time, the thermal efficiency of gasoline in cold weather is not as good as that in summer, which makes the fuel consumption of cars in cold weather in winter higher than in other seasons. In addition, some operations, such as the owner heating the car for too long and starting the air conditioner heater too early, will increase the extra fuel consumption to a certain extent. Of course, if the fuel consumption only increases by 1 ~ 2 liters, it is within the normal range, but if the fuel consumption per 100 kilometers increases by more than 5 liters, it is not normal. Owners in similar situations should maintain their vehicles in time or go to professional repair shops for maintenance.
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