LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2014 >> Q70 Hybrid >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Introduction) (Hybrid) >> Basic Inspection >> Fuel Pressure Check >> Work Procedure >> Fuel Pressure Release
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fuel Pressure Release

  1. FUEL PRESSURE RELEASE 

    With CONSULT

    1. Turn ignition switch ON.
    2. Select ENGINE using CONSULT.
    3. Perform INSPECTION MODE 5. Refer to "DESCRIPTION ".
    4. Perform "FUEL PRESSURE RELEASE " in "WORK SUPPORT" mode of "ENGINE".
    5. Start engine.
    6. After engine stalls, crank it two or three times to release all fuel pressure.
    7. Turn ignition switch OFF.

    Without CONSULT

    1. Remove fuel pump fuse (1) located in IPDM E/R (2).
    2. Perform INSPECTION MODE 5. Refer to "DESCRIPTION ".
    3. Start engine.
    4. After engine stalls, crank it two or three times to release all fuel pressure.
    5. Turn ignition switch OFF.
    6. Reinstall fuel pump fuse after servicing fuel system.

    : INSPECTION END

    Fig 1: Identifying Fuel Pump Fuse In IPDM E/R
    G09417251Courtesy of NISSAN NORTH AMERICA, INC.