1, excessive tire wear: if the tire wear is uneven, it will lead to more serious inner tire wear, resulting in eight tires.
2. Suspension system problem: Failure or abnormal wear of the suspension system will lead to incorrect wheel angle, which will lead to eight tires.
3. Inaccurate wheel alignment: If the wheel alignment is inaccurate, for example, the front wheel angle deviates from the normal range, it will lead to eight tires.