Try searching for it in Google Images.
Have a look at this webpage; http://consumerguideauto.howstuffworks.com/1995-to-2005-pontiac-sunfire-6.htm It has a pretty good history of Sunfire changes and options. FriPilot
what does it look like?
Look at the lower or rear of radiator
Have a look at Crutchfield's website, www.crutchfield.com
Have a look at this web site; http://consumerguideauto.howstuffworks.com/1995-to-2005-pontiac-sunfire-6.htm FriPilot
Goto www.car-parts.com and look up and engine in the list it will tell you all the cars that have that motor
it's in the belt path and has sort of a snout behind the pulley. It's back near the tensioner.
Take a look at the belt that's driving it when the ac is on.
Look in your owner's manual.
Pick up a Haynes or Chilton manual for your car. Follow their directions.
Look under the vehicle along fram - follow the fuel line from the tank