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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 501 (Engine Controls/Fuel - Hybrid (LZ1) - Repair Instructions) >> Repair Instructions >> Fuel Pressure Sensor Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Chassis Wiring Harness Electrical Connector, Fuel Pressure Sensor, Fuel Pipe Bracket & Wiring Harness Clip
    GM1964193Courtesy of GENERAL MOTORS COMPANY
  1. If equipped with 4 wheel drive (4WD), remove the front propeller shaft. Refer to Front Propeller Shaft Replacement .
  2. Disconnect the chassis wiring harness electrical connector (1) from the fuel pressure sensor (2).
  3. Fig 2: Locating Fuel Pressure Sensor & O-ring Seal
    GM1964194Courtesy of GENERAL MOTORS COMPANY
  4. Wrap a shop towel around the fuel pressure sensor fitting in order to absorb any fuel that may leak out.
  5. Remove the fuel pressure sensor (1) from the fuel line.
  6. Remove and discard the fuel pressure sensor O-ring seal (2).