problem problem problem....., after i got done fixing crack on manifold Options

[RUNNIN-LOW]

well this happen after i figure out i had a crack on my intake manifold..i took it off and got it welded and fixed..but u know what happens when u fix something..someother crap comes up and u have to fix it some more!.. but yeah at first, after i reinstalled the intake manifold i got a idle that went up and down..couldnt think of any reason why it would happen cause i swear i put everything back the way it was suppost to be so i check for vac leaks and loose hoses and whatever i could think of that would cause that problem couldnt find anything....
so now after about 2 hours of tryin to figure out what the problem be i called around and ask a few people (thanks death, jim,and some other mr2 guys) i ruled it out to be the tps ( Throttle Position Sensor).. so i kinda mess with the idle air control..the idleing up and down is gone but i got this...???

(NOTE THIS IS A ST205)

http://s52.photobucket.com/albums/g22/miss...nt=MOV05776.flv

after this video i took my car for a short drive to see if it would die on me or anything...it didnt... but my throttle responses is crazy fast now and it not leanin out anymore! yay (<---got that fixed) so if anyone else can help to see what could cause my car to bog up and down like crazy after i reinstalled the intake manifold?? i would be thankfull