yes it will every civic from 96 to 2000 will pretty much fit.
No
Some parts like seats may or may not fit because the 1992 is a 5th generation and the 1996 is a 6th generation Civic. Most parts will not fit.
After googling it is determined Code P0420 ( Catalytic converter effeciency below threshold)
I know my 97 Honda civic dx doesn't.
Yes.
why don't I get fuel to cylinder number one on my 96 Honda civic
No, different bolt pattern.
yes, tailligths are the same years 96-99
yes
No
The oil sending unit on a 96 Honda Civic is right above the oil filter. The oil filter is on the back side of the engine.