Sierra 3500 4WD V8-6.6L DSL Turbo VIN 2 (2004)
Fuel Pressure Sensor: Service and Repair
FUEL RAIL PRESSURE (FRP) SENSOR REPLACEMENT
REMOVAL PROCEDURE
1. Remove the air cleaner outlet duct.
2. Remove the exhaust gas recirculation (EGR) cooler tube.
3. Disconnect the fuel rail pressure sensor electrical connector.
4. Prior to removal, clean the fuel pressure sensor and surrounding area thoroughly with solvent, such as GM P/N 12377981 (Canadian P/N
10953463) or equivalent.
5. Using compressed air, thoroughly blow dry the sensor and surrounding area.
6. Remove the fuel pressure sensor (1).
INSTALLATION PROCEDURE
NOTE: Refer to Fastener Notice in Service Precautions.
