Many northern cities have snowed, and some southern cities have entered the winter. Many owners and masters responded that driving in winter seemed to be more expensive than summer. Is there any problem with driving style? The reason is actually here.
Reason one: The culprit is the idle hot car
Many owners have the habit of hot cars, regardless of the season, even longer in the winter. We first look at whether we are going to waste our money. It is a good habit to use a hot car. However, it is not necessary to have a hot car for a long time.
During cold start, the fan is in a stopped state, the thermostatic valve is also in the closed state, the engine coolant is only circulated in the water jacket of the engine, and it is difficult to dissipate heat. At the same time, the computer is affected by the temperature index of the sensor, and it will increase fuel injection and increase idle speed. The valve opening instructions increase the engine speed, which is conducive to the rapid temperature increase of the engine. Therefore, the prolonged hot car is the primary factor to increase fuel consumption.
The correct way of hot car is: After half a minute to one minute after the local hot car, the speed can be stabilized, you can open the road, control the speed, do not exceed 50km/h, gently shift the fuel, this is the most standard and correct Hot car approach. Energy saving, environmental protection, and less carbon deposition.
Reason two: Battery performance is also a factor
The winter months are short and long, and the time to open the headlights is longer than in summer. In addition, due to the low temperature in winter, the chemical reaction of the electrolyte slows down, which easily leads to the loss of the battery. There is also a need for greater resistance to overcoming resistance during the cold start in winter. The start of the engine requires more fuel to convert electricity to charge the battery, so it is relatively a factor of increased fuel consumption.
Reason 3: Warm air also costs oil
In winter, the warm air is generated by using the engine's coolant temperature, which means that the heat released by the engine itself is blown into the passenger compartment through a blower.
In general, the engine needs to be maintained at a normal temperature during operation, which is approximately 80°C-90°C. Winter engines require insulation instead of heat dissipation. Due to the influence of the flowing air, the temperature of the engine is not easily maintained at around 80°C. Especially when the weather is particularly cold, with the opening of warm air, the engine will increase the fuel injection amount and change the ignition advance angle to maintain the body temperature. Temperature, which increases fuel consumption.
Other factors
There are more than a few factors that lead to higher fuel consumption. For example, if the winter temperature is low, even if you use a matching oil model, the viscosity of the oil at the beginning of the start will thicken. In order to overcome the resistance, the engine also needs to increase the oil volume. The normal increase in fuel consumption is not caused by a single component, which inevitably leads to an increase in total fuel consumption.
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