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The butterfly closes just fine with the cable disconnected.Disconnect the throttle cable at the TB pulley and see if the butterfly closes to the throttle stop screw. If it does, then the cable is holding the throttle open. You have to find out why the cable doesn’t have any free play.
In that picture the cable is unhooked from the throttle body. When you push the box back in you can feel the cable seat in the box.Looking at your last picture, it seems to me that the outer tube of the left bowden-cable is not properly seated in the distribution box. Therefore, the cable is under tension and slighty opening the throttle body.
Stefan
The butterfly closes just fine with the cable disconnected.
Seems to me that your answer is right here. As others have suggested, this is a cable problem and not a throttle body problem.
I'm pulling the box all the way out tonight & take it apart.Dunno if the 97 RS uses the same setup, but on my 97 RT, I swapped the entire cable system (including the distribution box & fast idle line) for the "updated" version - seemed smoother to twist (maybe just 'coz it was new?), and it was easier to balance. So the answer (to me, at least) to post 3 is Yes. The old box had some crud build-up inside - maybe that's where your hang-up is?
Do not lube these cables! They have a nylon (?) inner sheath, and oil distorts that.
"New" cables stretch, so you'll have to re-balance a couple of times to keep it "right".
I've known all along the throttle body was ok.
If yes then the issue is a bad cable but more likely there is something not seated properly in the Bowden box.