It'll bubble around the leak and tell you where it is However, for a lasting fix, you should seek professional repair or replace the affected tire. Fix a flat is for emergencies only, and won't work for leaks outside of the tread, like on the sidewall, tire bead, or valve stem
Error Code 101 - What Is It and How to Fix It?
Or just take it to a tire shop.
While the solution is deemed viable on tires, many wonder if it could also resolve rim leaks