God I sure hope it's not the Throttle Position Switch. That would mean removing the entire FD/Air flow assembly. Not fun! But this is yet another good possibility! I was confusing this part with the "Decel microswitch" on the throttle linkage!

__________________
http://i193.photobucket.com/albums/z...-RESIZED-1.jpg
1991 300E - 212K and rising fast...