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Home >> Nissan-Datsun >> 2005 >> Altima Base >> Repair and Diagnosis >> Engine Performance >> Engine Control System - Qr25DE >> Basic Service Procedure >> Fuel Pressure Check >> Fuel Pressure Release
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Fuel Pressure Release

With CONSULT-II 

  1. Turn ignition switch ON.
  2. Perform "FUEL PRESSURE RELEASE" in "WORK SUPPORT" mode with CONSULT-II.
  3. Start engine.
  4. After engine stalls, crank it two or three times to release all fuel pressure.
  5. Turn ignition switch OFF.
    Fig 1: With Consult-II - Fuel Pressure Release Display
    G02523885Courtesy of NISSAN MOTOR CO., U.S.A.

Without CONSULT-II 

  1. Remove fuel pump fuse located in IPDM E/R.
  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.
    Fig 2: Removing Fuel Pump Fuse
    G02523886Courtesy of NISSAN MOTOR CO., U.S.A.