Fuel Injection Fuel Rail Fuel Pressure Sensor Replacement for Chevrolet Express 2009

1. Remove the engine cover. Refer to Engine Cover Replacement.
2. Remove the exhaust gas recirculation (EGR) cooler tube. Refer to Exhaust Gas Recirculation Valve Cooler Replacement.



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).

Caution: Refer to Fastener Caution in the Preface section.




1. Install the fuel pressure sensor (3) and tighten to 70 N·m (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.
4. Prime the fuel system. Refer to Fuel System Priming.
5. Start the engine. If the engine stalls, repeat the above step.
6. Once the engine starts, inspect for fuel leaks.
7. Install the engine cover. Refer to Engine Cover Replacement.