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Fuel Pressure Regulator has 2 vac ports

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Old Feb 27, 2008 | 11:37 AM
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Fuel Pressure Regulator has 2 vac ports

Hi guys

My fuel pressure regulator has 2 vac ports. Currently getting rid of emissions and wanted to know why my regulators has 2 ports.

My car is a turbo 2 series 5.

Looking at other posts for emissions removal and checking out the ressurection web site they all only have one vac port.
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Old Feb 27, 2008 | 11:40 AM
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Here you can see the return fuel port on the fuel rail, and the regulator has 2 ports. Why 2? And should i hook them up to the same vacuum port on UIM?
Attached Thumbnails Fuel Pressure Regulator has 2 vac ports-awt.jpg  
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Old Feb 27, 2008 | 02:52 PM
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I think one connects to the fuel return line, not a vacuum line.
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Old Feb 27, 2008 | 04:06 PM
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I dont think thats the case, the fuel return is the big one on the left (fuel Rail) of the picture the other two ports are smaller and actually on the regulator.

Problem I find is all the Manuals such as Haynes and the online manual are for earlier turbo and just say later model similar. None show the 2 ports which i have.
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Old Feb 27, 2008 | 04:11 PM
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Maybe I just couldn't see it then, the picture is very dark.
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Old Feb 27, 2008 | 04:24 PM
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Yes the picture is dark, but you can see them on here.
Attached Thumbnails Fuel Pressure Regulator has 2 vac ports-awt2.jpg  
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Old Feb 28, 2008 | 06:10 AM
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does anybody know?
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Old May 24, 2008 | 08:37 AM
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shot in the dark but it looks like another regulator ontop of the org one
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