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Borrow Aftermarket FPR - Testing fuel pressure

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Old Sep 29, 2010 | 12:21 PM
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Rotary Freak
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Borrow Aftermarket FPR - Testing fuel pressure

Hey everyone

I've been pretty quiet, but some of you may have followed my build thread. I have a single turbo FD that I've built and about to start up. I went to test my fuel pressure and I am only getting 30psi with the screw all the way down. I just wanted to see if there is anyone out there that is willing to swing by to let me hook up your FPR in order to see if mine is faulty (it is brand new)

Thank you
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Old Sep 29, 2010 | 12:40 PM
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Sharp Claws
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usually screwing the adjustment screw in all the way lowers fuel pressure(depending on the fpr). clamp the return line and you should see full fuel pressure(90-100psi).
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Old Sep 29, 2010 | 01:33 PM
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That's all I'm stuck at right now. What can I do to pinch my return SS line?
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Old Sep 30, 2010 | 02:33 PM
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Sharp Claws
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not alot you can do with the SS line except clamp it with some vice grips/needlenose pliers in an inconspicuous spot near the firewall. you could also go to the back of the car and clamp the return there, that will tell you if there is any leaks in the system or if the pump is pushing fuel back into the tank around a torn o-ring.
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