Removal Procedure

Fuel Pressure Relief » Relieve the fuel system pressure.
Intake Manifold Replacement » Reposition
NOTE: It is not necessary to completely remove the intake manifold to gain access to the fuel injection fuel rail fuel pressure sensor.
Fuel Injection Fuel Rail Noise Shield Replacement » Reposition
Electrical Connector (1) @ Fuel Injection Fuel Rail Fuel Pressure Sensor (2)» Disconnect
CAUTION: Refer to Fuel And Evaporative Emission Hose/Pipe Connection Cleaning Caution

NOTE: Applying force to the plastic housing of the sensor may damage the sensor. To tighten or loosen, apply force only to the attached hexagon.

Fig 1: Fuel Rail Pressure Sensor
Courtesy of GENERAL MOTORS COMPANY
Fuel Injection Fuel Rail Fuel Pressure Sensor (2) @ Fuel Injection Fuel Rail (3)» Remove and DISCARD
NOTE: Some fuel may leak from the fuel rail fuel pressure sensor orifice after the sensor is removed. Dry the area around this orifice after the removal of the sensor using a lint free cloth and inspect the fuel injection fuel rail fuel pressure sensor sealing surface. The surface should be free of fuel, debris and burrs.