transmission problems

Hey everyone! New here and looking for some advice! I’ve got a 97 7.3psd with everyone’s favourite E4OD...I’ve Been having some transmission issues for a while now and been trying to fix it myself.. the truck shifts fine from 1-2 but when shifting into 3rd it almost hesitates.. it seems to go...

Ok so i just had the trans rebuilt by a fairly highly rated trans shop, and ive had nothing but problems out of it! When i first got it back it was falling out of gear at idle, and would only engage when revved. Then it started over heating and the tuner would show it commanding gears at the...