2003 Hyundai Tiburon Limp home mode

Drove to car wash five days ago washed it got in it went to use my auto shift an said third gear never had any tranny problems before never slipped never made a pop nothing ran great have gotten coded for input/ output speed sensors replaced them didn't fix it then got code for TPS replaced it didn't fix it so that night started looking for a bare wire well found crank shaft position sensor burnt touched the wire an coating just crumbled an fell off thought okay found the problem I replaced it now car shift from 1st 2nd 3rd goes to fourth but does not engage an drops out an goes back into 3rd gear limp mode I turn car off start it an it repeats the process now every morning I go to start my car it acts like battery is dead then finally starts but if I go to drive off cuts out an does does this 4 time trying to leave my house as finally leaving car is cutting out all way down road till get on highway an runs fine doesn't do it again until next morning but I am still in limp mode now today car wouldn't do nothing as try to start in park so I slipped it in neutral an starts right up. I'm at point I don't know what's wrong checked everything dumped tranny fluid twice changed motor oil it's my only vehicle so have to keep driving car does have some aftermarket parts but been on it for awhile never had any problems also when stuck in third gear going up a overpass I feel a vibration an car gear changes are way to soon its trying to go into 4th gear at 40mph before it was like 55 60 an when going threw first to 4th sometimes hard shifting sometimes can take off kinda quick an shift fine till 4th gear than back into limp mode we go plz help tired of spending money I don't have to try to fix something that is not fixing the problem need help ASAP thanks a bunch