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The fuel pressure regulator seems to have been broken. I replaced it with another stock one. ...

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... I should be measuring. I'll also check the fuel pressure regulator once and for all... because the guys at club-s12.org said ...

... to replace the entire electrical system, the fuel tank (pump's in the tank now instead of in ... course a bit unstable too. I'm thinking fuel pressure regulator failure, since everything else seems to check ...

... as though that is all that is required, but fuel pressure also plays a part in how much fuel gets into the ... of fuel, dependent on fuel pressure. The fuel pressure regulator therefore also comes into the equation of fueling. ...

... just another name for it. i ran a oil pump pressure regulator valve kit through the pump till i can get the ... The jack shaft is only for the oil pump drive and fuel pump on the N/A's. I don't think the E15's are that ...

OK The fuel system works like this; Fuel under p ressure from ... rail goes to the INLET of the FPR The OUTLET of the regulator returns to the tank. OK, so theres 3 hoses coming ... M8. Now, go pipe it all up, run the pump and set the pressure with MOTOR NOT RUNNING to 38psi. Then your set. ...

... Will most likely result in overfuelling on boost and under fuelling on vac. This ... say 2:1 (Ie: 2 psi boost = 4 psi extra fuel pressure) but it will cut fuel pressure by the same ... fuel pressure is (I think 38psi) Pix of the regulator would be helpful to determine what these ...

Brand new msd coil in it so it aint that. Did a fuel pressure check just behind the fuel filter & is reading normal so the pump is fine. Ill do another test after the fuel regulator to confirm not a fueling issue. If that comes up clean i might be sus on the ecu

Pix 1 Vacuum line to/from the plenum from the fuel pressure regulator Pix 2 Exhaust Gas Recirculation (EGR) Piss it off. Finaly ...

Pix 1
Vacuum line to/from the plenum from the fuel pressure regulator

Pix 2
Exhaust Gas Recirculation (EGR) Piss it off.

Why would you use the stock fuel pressure if you have an adjustable regulator and an aftermarket ECU? You could prolly do stuff like telling ...

Why would you use the stock fuel pressure if you have an adjustable regulator and an aftermarket ECU?

You could prolly do stuff like telling the ECU it's using bigger injectors but bumping the pressure instead... yeah guys? Or am I just tripping.

The computer does not set fuel pressure. The regulator sets the fuel pressure based on the manifold pressure. For ...