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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1565 (Engine Control System & Fuel System - 4.8L, 5.3L, 6.0L, 6.2L - Repair Instructions) >> Repair Instructions >> Fuel Pressure Sensor Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: 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: 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. Lower the vehicle.
  7. 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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