It should open all the way but only close most of the way and do both smoothly. Did you clean it with carby cleaner? If you are getting it to click by applying power then maybe there's some gunk still in there. If you can get to a wrecker yard then try and pull a used one for now.

I think a newie is about $250 from various sites inc peachparts.

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1990 300TE

"24 hours in the day. 24 beers in a case. Coincidence? I don't think so."