With the arrival of winter, the temperature in various parts of the country has also dropped, and many northern cities have fallen heavily early. However, what annoys many car owners is that the road surface will become particularly slippery after snowfall, and the air retention of car tires will deteriorate as the temperature decreases, and many owners have found that their cars have insufficient tire pressure. Therefore, some novice drivers can't help but wonder: what impact will the lower tire pressure have on the car? What's wrong with driving at low pressure for a long time?
As far as the current automobile market is concerned, many models will be equipped with tire pressure monitoring systems, but it is worth noting that the judgment threshold of tire pressure monitoring systems is actually relatively low. For example, if a car's recommended tire pressure is around 2.3, the system alarm will not be triggered even if the tire is driving at a low pressure, and the alarm will only begin when the tire pressure is around 1.8. Therefore, although many car owners see that the tire pressure of the car is lower than the recommended tire pressure, because the tire pressure monitoring system does not give an alarm, they will not deliberately inflate the tire.
The impact of long-term low-pressure driving
First, the risk of puncture increases
For many cars that have been driving at low pressure for a long time, tires are very prone to standing wave deformation in the state of high-speed driving, that is to say, the tire wall restoration speed cannot catch up with the speed of the car, which eventually causes abnormal deformation. In this state, the pattern of the standing wave part will heat up rapidly due to severe friction, eventually causing the tread rubber to peel off from the internal carcass, causing a puncture.
Second, the fuel consumption increased
On the other hand, due to insufficient tire pressure, the part of the tire that is in contact with the ground will be larger than normal, which means that the rolling resistance of the tire will increase accordingly. The most direct manifestation of the increase in rolling resistance is that when the owner drives on the road, he will obviously feel that the car is not as labor-saving as before, and it is not as light as before, and the fuel consumption of the car will also increase.
Third, tire wear
Due to insufficient tire pressure in the tires of the car, it will cause the tires to wear more seriously when driving for a long time. The middle standing wave part cannot be supported due to insufficient tire pressure, so the wear area on both sides of the tire will increase accordingly, and the wear speed will be more severe than before. The end result is abnormal tire wear and wear, and the car tire is scrapped in advance. Especially now that the tire pattern inspection project has been newly added to the annual inspection project, the tire wear is serious and the owner cannot pass the annual inspection.
For car owners who often need to run high speeds, as the outside temperature decreases, the frequency of tire pressure checks also needs to be increased accordingly to avoid the risk of punctures on the highway. As long as the tire pressure of the car is found to be insufficient, the tire pressure should be raised to the standard value of the recommended tire pressure.
However, for those car owners who do not need to run high speeds at all, the situation of low tire pressure is not unacceptable, and the comfort of the car in the low pressure state is actually higher than normal. On the other hand, the increase in fuel consumption caused by the reduction of tire pressure is actually not as obvious as everyone thinks, and it is still within the acceptable range of people. In addition, the wear of the tires in the low-pressure state is not so serious that the tires will be scrapped immediately, so there is no need to worry too much.