Question on FP regulator

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11-16-2014, 09:08 AM

Orange Juice

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Question on FP regulator

I saw that the stock fuel pressure regulator has a vacuum reference tube running to the top the unit. Where does this draw vacuum from. I just want to make sure that everything is connected properly.

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11-18-2014, 02:02 PM

joecar

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Car in your signature in stock form: FPR is in fuel pump module (inside fuel tank), FPR reference is open.

Otherwise: FPR is on fuel rail, FPR reference is connected to intake manifold.