look on the back of cover of your fuses,prob located on the driver's side of dash ,open dooor and should see it,or you may mean the box cover under your hood right in plain view
how to check fuse for horn in a 1998 Pontiac sunfire
On a 1998 Pontiac Sunfire, the tag light is located above the rear license plate. It is typically housed within the rear trunk lid or panel, illuminating the license plate for visibility at night. To access the bulb for replacement, you may need to remove any covering or panel that shields it.
See stvndberryhill's answer under 1998 Pontiac Sunfire horn relays. This answer applies to all year models of Pontiac Sunfires.
Off the water pump
R134a
check this site------>
22 and 17
Yes
the 98 sunfire haz a 57.2 litre gas tank
its already got one
One that fits.......
1-3-4-2