It seems to be attached to the fuel line but has a hose that leads from the gass tank to the charcoal filter, I think?

 

"I Think"??? You really gonna make one of us crawl underneath their car, and bounce parts off of you, until we get the right one? Come on baby. Post a pic or a schematic or something. I'm more than willing to help you out, but you gotta meet me halfway.

 

I don't know how to post a pic. It looks to be a fuel pressure reguator, it's just down stream of the fuel filter attached to the fuel line, it has a sepperate line going to the gas tank and a vac line that is attached to a line going to the charcoal filter.

http://www.flickr.com/photos/42924325@N03/7003261347/

 

I got this wrong once before. It is your fuel pressure regulator and you should have a fuel pulse dampner on the fuel rail where the older ones (my 95) have their pressure regulator.

 

If it is just ahead of the the right rear wheel near the fuel filter, it is likely the fuel shut off valve designed to cut the fuel supply in the event of a roll over.

 

I put a new front o2 sensor on and it passed, but now the HC levels are high at 15mph it was 51 (max is 52) at it was 32 (max is 36) , Any idea how to bring the HC levels down. May NO levels want down to 365 form 504 at 15mph(max is 424)

All the same thanks for the help.