Installation Procedure

To install the NEW fuel injection fuel rail pressure sensor (2) properly, perform the following steps:
CAUTION: Refer to Component Fastener Tightening 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.

NOTE: Ensure the fuel rail threads are clean and free of any excess fuel or the fuel injection fuel rail fuel pressure sensor will NOT seal properly.

Fig 1: Fuel Rail Pressure Sensor
Courtesy of GENERAL MOTORS COMPANY
1. Lubricate the sensor threads and sealing surface with one drop of clean engine oil.
2. Install the sensor and hand tighten.
3. Remove the sensor.
4. Re-lubricate the sensor threads and sealing surface with one drop of clean engine oil.
5. Install the sensor and tighten to 33 N.m (24 lb ft).
Electrical Connector (1) @ Fuel Injection Fuel Rail Fuel Pressure Sensor (2)» Connect
NOTE: Install a NEW fuel injection fuel rail fuel pressure sensor.
Pressurize the fuel system and inspect for leaks.
NOTE: If a fuel leak occurs at the fuel injection fuel rail, the fuel rail will need to be replaced.
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