Possible, it tells everything when to do anything, based on dozens of sensors. I knock the 1st gens for having a simple computer, but if it can't tell a fuel injector to go, or misreads the incoming air volume, then it will not run right.
take off the intake hosing right before the throttle body and look inside. there is a butterfly valve in there. sometimes it may get a carbon and dirt build up and become stuck in one position. id take that off, get a little bit of carb cleaner, a tooth brush and clean that thing out.
you should be able to with one finger just posh it open and closed its got a very light spring holding it in place. try that. its happened on my old 94 4runner. its happened on my girlfriends saturn vue and my father in laws chevy taho.