"Victor" wrote
Hi, I've checked the stupid Haynes manual with no success and checked
> all over for my fuel pressure regulator on my '96 Nissan 4x4 pickup
> with vg30e (3L v6) engine. Can anyone tell me where it is roughly
> before I start taking things apart? My truck is getting horrible fuel
> mileage (350km to the tank, should be 500km) and there is carbon
> building up in the exhaust so I'm pretty sure it's running rich.
> Changed the oxygen sensor which got rid of the check engine light, but
> that is merely a symptom I think, not the cause. Just need to check
> the fuel pressure now, but can't find the pressure regulator anywhere
> near the fuel rails so I can unhook the vacuum to it.
> Anyone with a Maxima with the same engine can respond too as it's
> probably in the same place on that car.
Autozone.com, 1996 Nissan Maxima (since they don't list a 1996 truck)....
formatting link
"The pressure regulator is always located on the fuel return side of the fuel injection rail and is attached to the right rear of the fuel rail assembly, at the right rear corner of the intake manifold."
formatting link