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Injector flow – AEM 30-71XX Infinity EMS Quick Start Guide User Manual

Page 35

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Tuning Guide

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© 2014 AEM Performance Electronics

Fuel Pressure Regulator Reference

Allows the user to choose the proper reference pressure for the fuel pressure regulator. The drop
down menu has the following options:

Manifold Vacuum Reference: This should be selected if the fuel pressure regulator's port is
connected to a vacuum or vacuum/boost source.

Atmospheric Reference: This should be selected if the fuel pressure regulator's port is open to
atmosphere or if a dead end fuel system is used where fuel pressure is constant.