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Home >> Chevrolet >> 2012 >> Chevy Express H1500, Van Cargo >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 4.8L, 5.3L, 6.0L - Repair Instructions >> Repair Instructions >> Fuel Pressure Sensor Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: View Of Chassis Wiring Harness Electrical Connector, Fuel Pressure Sensor & Clip
    GM1932955Courtesy of GENERAL MOTORS COMPANY
  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 and tighten the sensor to 15 N.m (11 lb ft) .
  5. Connect the chassis wiring harness electrical connector (1) to the fuel pressure sensor (2).
  6. Install the chassis wiring harness clip (3) to the fuel pipe.
  7. Lower the vehicle.
  8. 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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