Does adding half a box of oil really save fuel? The truth is...

People say that it would be more cost-effective to refuel at night; some people say that adding half a box of oil each time will be more fuel-efficient; . . Since everyone is so concerned about the issue of refueling, you may wish to take a look at the contents of Xiao Bian today and get rid of unnecessary misunderstandings.

1. There is no difference between day and night

Some people think that according to the principle of thermal expansion and contraction, the high temperature during the day and night temperature is low, so the same oil fee can add more oil at night. In fact, the oil depot of the gas station is built underground and is guaranteed to be at a constant temperature. Whether it is high sunshine or snow, the temperature of the oil is the same, and the volume naturally changes.

2. It is normal for the fuel volume to exceed the tank volume

Some people say why my 50-liter fuel tank can add 55 liters of oil? Is it the gas station who gets the data? Actually, because the automaker's calibrated fuel tank capacity is not the actual fuel tank capacity of the vehicle, for security reasons, manufacturers generally leave a 10%-15% margin on paper, so the 50 litres written in the book should be The real volume may be 55 liters+.

3. After the fuel jumper can add is normal

Some people think that if you add fuel to your jump shot, you can add a few extra litres of oil, and you will jump for the second time. You will find it tricky. Actually, the fuel gun is equipped with a sensor. It is a very sensitive thing. Refueling, oil and gas in the tank will go up, the more pressure will increase the more full top, will reach a certain extent will jump into the gun, not the oil is full before jumping.

4. Fill up the oil and add half a box of oil is not much difference

Some people have calculated according to their weight. They think that when they are filled with oil, the body is heavier and they will be more fuel-consuming when they drive. When they add half a box, the body will be lighter and they will be more fuel-efficient. In fact, the fuel tank capacity of most models is in the range of about 60 liters, which is several tens of tens of kilograms. This weight is almost negligible for a car with more than one ton.

5. Do not have to wait until there is no oil before adding

Some people are accustomed to wait until the oil gauge lights up yellow to run for fuel. This is actually wrong. First of all, sometimes you may not be able to find gas stations. Secondly, the oil pumps of some models are designed in the fuel tank and the gasoline in the fuel tank. To play a role in cooling the petrol pump, if only a little bit of gasoline is used each time, the cooling effect of the oil pump will not be achieved. This will increase the speed of the gasoline pump aging.

Xiao Bian summary

Whether you are driving tens of thousands of salaried cars or hundreds of thousands of mid-to-high-end cars, since the cars are all bought and opened, don't worry too much about the so-called tricks in the refueling session. The car is used to drive, but do not fall ill.

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