He wasn't referring to your post rang. And we don't know why he didn't change the rings out but that is most definitely the issue. Leak down will tell you for certain and most shops charge between $20-$30 to do one of these for you...much better than you keep driving it like this and destroying the cylinder walls.

Rang, will he need to rehone it? Or does he only have to do that if the cross hatching isn't visible?