Originally Posted by Rob M

unless you're driving around at high speeds you might want to just continue using the tire and monitor the pressure more frequently at first.* the fact that the tire merchant fixed the tire at all suggests that they are probably at least somewhat confident it will work. of course, they would rather have sold you a new tire and made a nice profit. do you know if they patched the tire from the inside or simply plugged it from the outside? a patch from the inside is the best way to repair a tire. however, i've plugged quite a few tires over the years, and have never experienced a failure.