The 1st way is knowing the age of the tires. If your tires are more than 6 years old then you should change them. The second method in determining if you should.
If your tires are five years old, they should be professionally checked at least once a year. If your tires are more than 10 years old, they should be replaced.
A third reason O2 sensors are replaced when they shouldn't be is the fact that O2 sensors are often included in the modern-day version of a “tuneup.” Citing.
Depending on vehicle and driving conditions, many cars require shock and strut replacements sometime after the fifty thousand mile marker. Instead of waiting.