GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Kodiak C-Series Motorhome (Cutaway) C4/C5 🢒 Engine 🢒 Engine Controls - 6.6L (LLY) 🢒 Fuel Injection Fuel Rail Fuel Pressure Sensor Replacement

Removal Procedure
  1. Remove the air cleaner . Refer to Air Cleaner Replacement .
  2. Remove the exhaust gas recirculation (EGR) cooler tube. Refer to Exhaust Gas Recirculation Valve Cooler Replacement .

    3. Object Number: 1335543 Size: SH
  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.

Installation Procedure

    Notice: Refer to Component Fastener Tightening Notice in the Preface section.

  1. Install the fuel pressure sensor.

    2. Tighten
    Tighten the sensor to 70 N·m (52 lb ft).


    Object Number: 1335543 Size: SH
  2. Connect the fuel rail pressure sensor electrical connector.
  3. Install the EGR cooler tube. Refer to Exhaust Gas Recirculation Valve Cooler Replacement .
  4. Install the air cleaner . Refer to Air Cleaner Replacement .
  5. Prime the fuel system. Refer to Fuel System Priming .
  6. Start the engine. If the engine stalls, repeat the above step.
  7. Once the engine starts, inspect for fuel leaks.