The solenoid/starter motor assembly is installed on the lower part of the engine next to the transmission bellhousing
On a 98 Pontiac Sunfire, the red color of wire goes on the terminal marked "B" on the starter. This terminal is located close to the battery of the vehicle.
Yes!
I assume you are referring to between the engine and the firewall. There are 2 heater hoses in that location.
Something...
under the dash
usually on the driver side door
the 98 sunfire haz a 57.2 litre gas tank
150psi
I have a 98 sunfire with the 2.4L and it is getting about 35m/gal on the hwy.
Have a look at this web site; http://consumerguideauto.howstuffworks.com/1995-to-2005-pontiac-sunfire-6.htm FriPilot
This should help you out; http://consumerguideauto.howstuffworks.com/1995-to-2005-pontiac-sunfire-6.htm FriPilot
if you're going through the trouble of dropping the fuel tank, I'd just put a new one in and be done with it