What are the symptoms that have led you to believe the pressure isnt rising?
Originally Posted by
xr2wishy
that does confirm it fella, so it's not the regulator nor the fuel pump.
why do you think the fuel pressure isn't rising on boost?
is it stuttering, it may just be the map being out.
only the manifold pressure effects the rise in pressure, as long as the fuel pump is fine, which your test shows.
Your advice is pretty good but it still could be the pump as there is no volume demand at idle.