Whats This?

[Omurru]

I should go through and see how many of these threads I have, must be a few by now.

Anyway, whats this thinggo, it's in the fuel return line under the plenum.

[tak]

I think it is a fuel pressure regulator...

[WogsRus]

if its and R33, the fuel reg is on the fuel rail, i think, and i can't see the photo properly, if that is a photo taken in the Driver side wheel arch wall, then its a damper and an drain valve. The r33 has it to stop pulsing of the fuel flow and antydrain back to the tank.

[Godzilla32]

Its the fuel pressure regulator. It regulates fuel pressure flow back to the tank in the return line to keep a constant fuel rail pressure to supply the injectors.

Deren

[heller44]

Probably not. As your r32 26 is, as is his, with a fuel pressure regulator mounted on the most foreward part of the fuel rail, near the top radiator hose.

Is there only 2 hoses going to the unit, both fuel? then it'll be as wogsrus says.

I can find the fuel damper in this location in my r34 diagrams, but i have no r33.. but thats what it is on an r34 anyways.

just checked an r33 manual. definate fuel damper.

i must be bored..

James.

Edited May 17, 2007 by heller44

[Omurru]

just checked an r33 manual. definate fuel damper.

i must be bored..

James.

Awesome sounds good to me I'm putting in a dual entry rail, braided lines, aeromotive reg, 044 etc. Do I still need one of these in the line or is it not really required, just one of those extra happy things factory cars have....?

BTW it's not the fuel reg, fuel reg is located on the end of the fuel rail

[heller44]

I can look at manuals, but I can't answer that.. all I can say is that mine doesn't have one, better to wait until the r33 and r34 happy lads put in their input.

[Omurru]

lol just been reading through the manual I have, forgot all about it, it is actually quite good :sorcerer:

Most of the set-up's i've seen don't have one installed, well not anywhere visible anyway

Also you wouldn't happen to have part numbers for the o-rings and insulators for the injectors and also the insulators for the fuel rail to block....

[heller44]

By strange coincidence, I just had my injectors serviced today, clean / test / pintle caps / insulators / o'rings. Have also had to purchase two replacement injectors for the two leaking from the housing,.. bstrd.

Didn't get a price on them but 4 injectors done and 2 just tested were $100. I know nissan are about 15 for each o'ring and probably worse for the insulators. Just get them serviced, be better in the long run anyway.

[Omurru]

$15 for a o-ring f**k me, time to find some equivalent parts at work

Nah I bought new sards and they didn't come with the orings or insulators.....

[heller44]

You wouldn't buy them from nissan though. From other spare parts stores I have heard of $1 ea or there abouts, so just ask around.