Note the adjustment screw on the top. The last thing left to do is to set the base fuel pressure on the new fpr. In order to set the pressure you will need two items: a fuel pressure gauge and a small length of medium gauge wire. Circled in red is the sending unit for an electric fuel pressure gauge. With the gauge installed we are now going to wire the fuel pump to stay on continuously without starting the car. First take the short length of medium gauge wire and strip its ends.
Then bend the wire in half and insert each stripped end into the two center ports on the EGI fuse sockets. These are the two closest together and are highlighted in the pictures below Next place the key in the ignition and place it in the on position. Do not start the car The fuel pump will turn on and remain on. At this point, go to the Nismo fpr and using a ten millimeter wrench, loosen the lower nut on the adjustment screw. While looking at the fuel pressure regulator turn the adjustment screw counter clockwise to reduce pressure and clockwise to increase pressure until the fuel pressure gauge reads Once this value is satisfied, tighten the lower nut to lock the adjustment screw and then turn the ignition off.
Finally, remove the jumper wire from the EGI fuse port and reinsert the fuse. The new fpr is now adjusted and ready for action. This small wire will be used to jump the connection in the fuel pump fuse EGI. The jumper wire should be inserted into the EGI fuse block as shown above. Chris Simmons is a race car driver, instructor, business owner and all around gearhead. His passion for motorsport started in the drifting community and progressed into wheel to wheel racing of all kinds.
When off track Chris can be found training and working on a myriad of projects. After a hiatus from writing, he is back to share his passion, knowledge and experience in regard to motorsports on and off the track. Depressurize the fuel system First things first, the fuel system needs to be depressurized.
Remove the factory fpr Now locate the factory fuel pressure regulator near the firewall at the end of the fuel rail. Install the new fpr The Nismo fuel pressure regulator will install into position where the old fpr was removed with one exception. Setting the fuel pressure The last thing left to do is to set the base fuel pressure on the new fpr. Visit Enjuku Racing Parts on Instagram. Call Enjuku Racing Parts.
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