1996 Pontiac Grand Am

I just got a new steering wheel put it because my ignition was torn out of my car. (It was cheaper to just get a whole new steering wheel) It's fully installed and the battery is completely charged but when we go to start it, it will start for a few seconds then die down. We're not sure what it is, but a friend said that he thinks it's the oxygen censor. I just got that changed about a year or so ago. We were sort of thinking along the lines of it having something to do with the fuel line? We're not sure. Any help?