How is it not starting? If you have the lights on and try to start it, the lights don't dim slightly, and there is dead silence? Then its related to the key chip, or the neutral engage thingy on your shifter. (sorry, thingy isn't a word, but its the best I could do without my FSM.) The circuit is not open to start the car.
I'm betting your chip is either grunged or out of line because the key is bent a little. The neutral engage sometimes becomes a problem if the shifter is a console shift and the button is stuck in the leather cover.
1995 SE ..Green and Rattle Can...234K mi...Bonnie (she'll outlive me)
1998 SSEI .. White ..119K mi...Evey
1996 SSE ..MajTeal..157K mi...4/12- Dealer trade full of Lucas Trans fix