Your fuel pump is in the tank, I believe there is an access panel in the trunk. Here's a good link on fuel pump replacement
http://www.autozone.com/shopping/repairGuide.htm?pageId=0...
You'll have 6 injectors that plug into the intake manifold near the cylinder heads. You might need to remove some plastic shrouding before you can see the fuel rail and injectors. The fuel system is under pressure even the engine is off so be careful and relieve the pressure safely!
Is your car not running correctly?