What Causes the Low Tire Pressure Warning in Cars?
2 Answers
Here are the main reasons for the low tire pressure warning in cars: 1. Because the tire pressure has not been recalibrated, simply recalibrate the tire pressure on the central control panel. 2. If the low tire pressure warning appears some time after inflating the tires, but there is no puncture, it may be due to air leakage caused by a deformed wheel rim. It is recommended to check the wheel rim and replace it if necessary. The relationship between tire pressure and car performance is as follows: 1. The relationship between tire pressure and load capacity: Tire pressure is an indicator of a car's load capacity. The load capacity of a car depends on the level of tire pressure. According to the relationship between the tire's load index, tire pressure, and load capacity, the higher the tire pressure, the greater the load capacity; the lower the pressure, the smaller the load capacity. 2. The relationship between tire pressure and car power performance: Tire pressure greatly affects the rolling resistance coefficient. When the tire pressure decreases, the rolling resistance coefficient increases rapidly. This is because lower tire pressure causes greater deformation of the rolling tire, increasing hysteresis loss.
Last month while driving to work, my tire pressure warning light suddenly came on. At first, I thought it was a false alarm and didn't pay much attention, but the next day I noticed the left front tire was visibly flat. Looking back, it was probably because I had driven on a gravel road in the suburbs the day before, and there might have been small nails on the ground that punctured the sidewall of the tire. Low tire pressure is no small issue—it makes the car wobble and unstable, causes severe steering wheel vibrations at high speeds, and significantly increases fuel consumption. I tested it once and found that driving just 100 kilometers cost me over ten yuan more in fuel. Later, I took it to a repair shop, where the mechanic found a small hole in the tire causing a slow leak. After fixing it and reinflating the tire, the problem was resolved. Since then, I've made it a habit to check my tire pressure weekly with a simple pressure gauge, especially when the weather suddenly turns cold and the air contracts, as it's crucial to monitor it early to avoid the risk of a blowout. Fellow drivers have shared similar experiences, emphasizing that ignoring tire pressure can lead to serious consequences.
