i have a 87 si (fuel injected) that i have been trying to get on the
road for over a year as a project and now this little problem is making
me wanna rip out the hair that is left on my head.

it runs fine when i first start it. i recently put on a new throttle
body and fast idle control valve (from a junk yard since i broke my old
ones trying to clean them due to a hunting idle) in order to get this
thing to idle properly so i can get this thing inspected. I got it
idleing at 750rpm at operating temp, however once this this gets to
operating temp and i give it gas, it sometimes stalls immediately. I
have also recently put in new plugs/wires/cap/rotor/pcv valve and have
swapped map sensors so i dont think its that either..

I am fairly certain that i do not have any vaccum leaks, i cant hear
one with a piece of tube in my ear and searching, nor does carb cleaner
increase the idle when i spray it over the connections. after it
stalls, i have a hard time trying to get it to run again. normally i
have to wait for it to cool off for a bit.

There are some vacuum lines that have been capped off since i bought
it, but i have no idea where i can find a decent vaccum diagram online?

Can anyone send me in the right direction?? i cant seem to find any
info on this problem or where i can find a vaccum

thanks in advance,
-Dustin