no fuel return line on my rb26

Discuss the RB20, RB25 and RB26 series engines.
Newtype
Posts: 56
Joined: Thu Nov 23, 2006 8:01 pm
Car: RB26 S14

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Well I just discovered my fuel pump was struggling/not working and in this process i was pulling fuel lines to check stuff and i realized that ive never had a return line hooked up.. which then mesmerizes my mind about my fuel pressure regulator not working cause it is hooked up to a vacuum line which would mean the fuel line not being hooked up fuel would be coming out that return line and spilling onto the ground.. weird any input on this? once i get the damn thing running again im gonna check my vacuum lines and then hook up a return.. and see whats goin on.. btw just got the car like this about a week ago..


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Carl H
Posts: 5985
Joined: Mon Aug 04, 2003 4:09 am
Car: 1995 Nissan 240SX SE RB30DET

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not possible...the car wouldnt run or would blow a seal...this is a return system.

Newtype
Posts: 56
Joined: Thu Nov 23, 2006 8:01 pm
Car: RB26 S14

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yup your right.. i traced it back and found where it goes.. rookie mistake.. i didn't really search someone just looked at it and didn't see a return.. but opposite of the fpr vacuum source end on that vacuum rail i have a line just hanging there and i think i bumped it off whatever it was connected to when i switched my injectors around.. hense the fpr not working and my fuel bumping burning up.. possibly? not sure yet but i need to find where that hooks up too. its about three inches long and i couldn't feel anywhere for it to go.. but tomorrow im gonna look under the car to see if a vacuum line fell down.. this is my first RB.. I previously played with SR's..


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