How can I fix my mazda 626?

I have a 1998 Mazda 626 4 cylinder. Friday morning my fiance was headed to work. He reached the end of the driveway and it died. We pushed it back to the house since it wouldn't start. He changed the starter a coil. The car will turn on now and the engine will try to turn over but ends up just making like a whirring noise. Has anyone else had similar problems? Any suggestions?