Removal Procedure

Fig 1: View Of Chassis Wiring Harness Electrical Connector, Fuel Pressure Sensor, Fuel Pipe Bracket & Wiring Harness Clip

Courtesy of GENERAL MOTORS COMPANY

If equipped with 4 wheel drive (4WD), remove the front propeller shaft. Refer to Front Propeller Shaft Replacement .
Disconnect the chassis wiring harness electrical connector (1) from the fuel pressure sensor (2).

Fig 2: Locating Fuel Pressure Sensor & O-ring Seal

Courtesy of GENERAL MOTORS COMPANY

Wrap a shop towel around the fuel pressure sensor fitting in order to absorb any fuel that may leak out.
Remove the fuel pressure sensor (1) from the fuel line.
Remove and discard the fuel pressure sensor O-ring seal (2).