Express 2500 V8-6.6L DSL Turbo (2010)
3. Disconnect the fuel rail pressure sensor electrical connector (1).
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 (3).
Installation Procedure
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
1. Install the fuel pressure sensor (3) and tighten to 70 Nm (52 lb ft).
2. Connect the fuel rail pressure sensor electrical connector (1).
3. Install the EGR cooler tube. Refer to Exhaust Gas Recirculation Valve Cooler Replacement (See: Emission Control Systems/Exhaust Gas
Recirculation/EGR Cooler/Service and Repair/Exhaust Gas Recirculation Valve Cooler Replacement).
4. Prime the fuel system. Refer to Fuel System Priming (See: Service and Repair/Fuel System Priming).
5. Start the engine. If the engine stalls, repeat the above step.
6. Once the engine starts, inspect for fuel leaks.
