Sierra 3500 2WD V8-6.0L (2008)
Fuel Pressure Sensor/Switch: Service and Repair
Fuel Pressure Sensor Replacement
Removal Procedure
1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. Disconnect the chassis wiring harness electrical connector (1) from the fuel pressure sensor.
3. Wrap a shop towel around the fuel pressure sensor fitting in order to absorb any fuel that may leak out.
4. Remove the fuel pressure sensor from the fuel line.
5. Remove and discard the fuel pressure sensor O-ring seal.
Installation Procedure
