fuel pressure regulator?

[script0207]

can someone please give me detailed instructions as to where the FPR is & what I have to take off to get to it. I have the new regulator but I cant seem to find anything that resembles it
-:confused:THANKS-

[script0207]

Sorry, I forgot to add its a 2002 4.3 silverado

[silveradotrailblazer]

I believe its located UNDER the intake manifold. Also I think in 02 thy made three differant regulators for that engine so check the numbers on the old one to make sure you got the right one.