I'm not sure if it will last that long- worse case your car will go into limp mode and run like crap until you get there.

As long as you aren't going a long distance you should be all right I think-

i ran w/o o2's and had open headers on my third gen for a while. my car ran pretty good still. i couldnt tell any difference after a bung and hooked it up right. so i think youll be fine just going to a shop. your car just might not go into closed loop or open loop or w/e