Do you know the danger of filling the car tank too full?

I don't know if riders have ever heard of the phrase "try not to fill up the car with oil, which will cost more oil". Anyway, Bian Xiao has seen most people say "fill up" when they go to a gas station. It feels very chic. Sometimes, in order to make a whole number, you have to add a little more even if you jump gun.

As the saying goes, don't eat too full, seven points is just right, so is refueling, and filling too full is not good. Let's talk about the dangers of being too full.

1, it is dangerous in case of open fire.

When the oil is filled too full, the volume expansion of gasoline will burst the oil tank. So when the car is designed, there is an exhaust hole. If it is too full, it will spill oil through the vent. Moreover, gasoline is particularly volatile and will burn instantly when it meets an open flame. Cause irreparable damage.

2, blocking the exhaust hole

Once the vent hole is blocked, negative pressure will be generated in the fuel tank, resulting in poor or even no oil supply. It may be that the engine won't catch fire just after the car is filled with oil, or it may be that the fuel tank is too full, which leads to jumping up and down at high speed.

3. Damage to auto parts

Too much gasoline will inevitably increase the overall weight of the car and increase fuel consumption.

In addition, if it is too full, it is easy to cause gasoline liquid to enter the pipeline, which will not only damage the carbon canister, but also flow into the airway along the pipeline, which will make the spark plug fail and even cause the vehicle to fail to start.

4, easy to cause cancer

Volatilization of gasoline is easy to cause cancer. The activated carbon tank is generally close to the air inlet of external circulation. When the engine oil is too full, the saturation pressure of the carbon tank is too high, and the air containing gasoline enters the carriage, the unpleasant "gasoline smell" has been around you. The composition of oil and gas has been proved to contain carcinogens such as benzene, which will inevitably cause harm to passengers' health after a long time.

You can't add much, but how much?

1. Don't fill the new car with oil for the first time, otherwise the oil may float, and the sensor will fail, resulting in the distortion of the oil meter, just like a new ground scale, with a load of 100 kg, jumping on a fat man with a load of 100 kg.

2. To be on the safe side, add it to the oil gun and jump the gun. It is not recommended to refuel the fuel tank. There is no need for the oiler to lift the oil gun a little after it jumps up, and then continue to refuel.