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Infiniti
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2007
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QX56 AWD
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System - Introduction
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Basic Service Procedure
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Fuel Pressure Check
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Fuel Pressure Release
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With CONSULT-II
With CONSULT-II
Turn ignition switch ON.
Perform "FUEL PRESSURE RELEASE" in "WORK SUPPORT" mode with CONSULT-II.
Start engine.
After engine stalls, crank it two or three times to release all fuel pressure.
Turn ignition switch OFF.
Fig 1: CONSULT-II Display - FUEL PRESSURE RELEASE
Courtesy of NISSAN NORTH AMERICA, INC.