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The holes at the top of the bowl appear to be open just fine, the tank is filling completely and the flapper valve is closing just as the water level is about 2" from the tank being empty. The trend I have noticed is thatif you flush it and it works fine, it will work fine as long as there is at least 5-10 minutes between flushes. If for some reason you need to do back to back flushes, it will not work properly. The bowl starts a good strong swirl and just as it start to get to the point where the level should drop quickly it just stops as if it was plugged.
About 8 weeks ago I had the wax ring replaced and it appeared to be working fine. About two weeks ago, my wife and I had two teenage girls house sit for us while we were on vacation. When we came back the toilet was acting like it is now. After messing with it for a few days, it appeared to have cleared it self up. Then it started acting up again last night....... Today I replaced the flapper valve and it made no difference.
Dont know if any of this is coincidence or if any of this helps, but I am at ends and have no other ideas. I'm looking forward to some more feedback.