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Paul
14-09-05, 07:10 PM
Which fuel pipe is return and which is feed?

As you look head on at the car you have one on the left of the injector rail, with i think the fuel pressure regulator there, and one on the right with an adjustable valve of some kind?

Paul
Adam
14-09-05, 07:19 PM
90% sure its the one on the left side.
Paul
14-09-05, 07:20 PM
Erm? /\

90% sure that the one on the left side is what?
Adam
14-09-05, 07:26 PM
Erm? /\

90% sure that the one on the left side is what?
LMAO :lol:
Left side is fuel supply, as it will be connected to the fuel pressure regulator.
As you obviously dont need a regulator for the fuel return

The valve thingy will be the vent valve on the other side.
Lee H
16-09-05, 12:10 PM
Erm? /\

90% sure that the one on the left side is what?
LMAO :lol:
Left side is fuel supply, as it will be connected to the fuel pressure regulator.
As you obviously dont need a regulator for the fuel return

The valve thingy will be the vent valve on the other side.

Wrong, the left side with the regulator on is the fuel return. It regulates the pressure in fuel in the rail and then returns whats not needed.
Adam
16-09-05, 03:29 PM
Erm? /\

90% sure that the one on the left side is what?
LMAO :lol:
Left side is fuel supply, as it will be connected to the fuel pressure regulator.
As you obviously dont need a regulator for the fuel return

The valve thingy will be the vent valve on the other side.

Wrong, the left side with the regulator on is the fuel return. It regulates the pressure in fuel in the rail and then returns whats not needed.
Hmm, just checked in haynes.
Yeah the return is connected to the regulator, but the supply line is on the left hand side of the injector rail, return on the right.
Left side looking towards the car from the front end, not as sitting in drivers seat.
Lee H
16-09-05, 03:35 PM
You must not be looking at the right thing then as then fuel in is definitely on the right and the return on the left as the reg is on the left side of the rail looking from the front of the car.
Adam
16-09-05, 03:41 PM
Hmmm,lol.
Yup so the regulator is on the left hand side.

I'll go with what you say, seeing as you have an XE :lol: