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Home >> Hummer >> 2009 >> H2 4D Utility Pickup >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 6.2L - Introduction >> Repair Instructions >> Fuel Pressure Sensor Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: View Of Fuel Pressure Sensor
    GM1855447Courtesy of GENERAL MOTORS CORP.
  1. Lubricate a NEW fuel pressure sensor O-ring seal with clean engine oil.
  2. Install the NEW fuel pressure sensor O-ring seal onto the fuel line fitting.
  3. Wrap a shop towel around the fuel pressure sensor fitting in order to absorb any fuel that may leak out.
    4. CAUTION: Refer to Fastener Caution .
  4. Install the fuel pressure sensor to the fuel line.

    Tighten:  Tighten the sensor to 15 N.m (11 lb ft).

    5. Fig 2: Identifying Chassis Wiring Harness Electrical Connector
    GM1855445Courtesy of GENERAL MOTORS CORP.
  5. Connect the chassis wiring harness electrical connector (1) to the fuel pressure sensor.
  6. Use the following procedure in order to inspect for leaks:
    1. Turn the ignition ON, with the engine OFF, for 2 seconds.
    2. Turn the ignition OFF for 10 seconds.
    3. Turn the ignition ON, with the engine OFF.
    4. Inspect for fuel leaks.
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