Having been immersed in the automotive industry for many years, I have often been surprised by the heated discussions sparked by seemingly trivial topics, such as the most recent debate among car owners - whether to fill up or only add 200 yuan when refueling.

This controversy continued to ferment in the group, and the chat history turned to more than a dozen pages, which reminded people of their youth when they first entered the industry. At that time, I was still a young man full of enthusiasm, full of curiosity about chassis tuning, and even small things like refueling followed the principle of "seven points full".

However, in my years in the automotive industry, I have also encountered some interesting discoveries. Last winter, when I was testing a new luxury brand car for a week, I noticed that the idle jitter of the car was significantly reduced after filling up the tank. After consulting with the three electric experts, I learned that the ECU of this car will fine-tune the engine idle speed according to the weight of the fuel tank, which is really amazing.

Of course, in addition to these interesting designs, I have also come across some fuel tank designs that make people laugh and cry. Not long ago, I tested a joint venture SUV, and its fuel filler port was so tricky that the gas gun could hardly be inserted smoothly, causing me to be in a hurry to pick up my kids from school and almost be late.

So, back to the original question, should you fill up or only add 4 yuan when refueling? Actually, it mainly depends on your driving habits. Based on my years of experience in long-distance testing, I recommend refueling when the fuel gauge shows 0/0 fuel remaining and adding to the automatic jump gun. This protects the oil pump and avoids the addition of air.

Speaking of refueling, I also remembered a thrilling experience on the Sichuan-Tibet line. At that time, in order to rush the road, the fuel level had bottomed out, but I didn't refuel for a long time, and as a result, I almost stopped on the uphill section. That experience made me deeply aware that refueling is no small matter, and it can even be life-threatening at a critical moment.

The choice of refueling timing is also often overlooked. I remember when I first bought a car, I always liked to pick the price of oil to refuel when the price was cheap, but I ignored the hard work of waiting in line and the discomfort caused by oil and gas volatilization. Now that I think about it, it's really worth the loss.

When it comes to refueling, there is also an oft-asked question: should you wait for the tanker truck to unload the fuel before refueling? I once waited for the tanker truck to finish unloading before refueling, only to have a problem with water entering the tank. Since then, I've become even more convinced that choosing a reliable gas station is more important than struggling with these details.

Whether you choose to fill up or just $200, developing good refueling habits is key. Don't wait until the oil lamp is on to refuel, that will only add unnecessary burden to the oil pump. Just like when we test a car, we always make sure that we have enough fuel in advance, which is the most basic professional quality.

Looking back on my work experience over the years, I deeply realize that the car is not only a means of transportation, but also a partner that needs our careful care. Only by giving them enough love and care can they provide us with better services.