Installation Procedure

Fig 1: Locating Fuel Pressure Sensor & O-ring Seal

GM1964194

Courtesy of GENERAL MOTORS COMPANY

Lubricate a NEW fuel pressure sensor O-ring seal with clean engine oil.
Install the NEW fuel pressure sensor O-ring seal (2) onto the fuel line fitting.
Wrap a shop towel around the fuel pressure sensor fitting in order to absorb any fuel that may leak out.

CAUTION:

Refer to Fastener Caution .

Install the fuel pressure sensor (1) to the fuel line.
Tighten

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

Fig 2: View Of Chassis Wiring Harness Electrical Connector, Fuel Pressure Sensor, Fuel Pipe Bracket & Wiring Harness Clip

GM1964193

Courtesy of GENERAL MOTORS COMPANY

Connect the chassis wiring harness electrical connector (1) to the fuel pressure sensor (2).
Lower the vehicle.
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.
If equipped with 4WD, install the front propeller shaft. Refer to Front Propeller Shaft Replacement .