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Home >> Infiniti >> 2012 >> QX56 RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Introduction >> Basic Inspection >> Fuel Pressure >> Work Procedure >> Fuel Pressure Release

Fuel Pressure Release

WITH CONSULT

  1. Turn ignition switch ON.
  2. Perform "FUEL PRESSURE RELEASE" in "WORK SUPPORT" mode with CONSULT.
  3. Start engine.
  4. After engine stalls, crank it two or three times to release all fuel pressure.
  5. Turn ignition switch OFF.

WITHOUT CONSULT

  1. Remove fuel pump fuse in IPDM E/R.
    NOTE:
  2. Start engine.
  3. After engine stalls, crank it two or three times to release all fuel pressure.
  4. Turn ignition switch OFF.
  5. Reinstall fuel pump fuse after servicing fuel system.