GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Kodiak C-Series (Crew) C4/C5 🢒 Engine 🢒 Engine Controls - 6.6L 🢒 Fuel Injection Fuel Rail Fuel Pressure Sensor Replacement

Removal Procedure
  1. Remove the air cleaner layer. Refer to Air Cleaner Replacement .
  2. Remove the engine cover . Refer to Engine Cover Replacement in Interior Trim.
  3. Remove the A/C compressor . Refer to Air Conditioning Compressor Replacement in Heating, Ventilation and Air Conditioning.

    4. Object Number: 830871 Size: SH
  4. Disconnect the electrical connector to the fuel rail pressure sensor .

    5. Remove the fuel rail pressure sensor from the junction block.

Installation Procedure

    Object Number: 830869 Size: SH
  1. Install the fuel rail pressure sensor to the junction block.

    2. If a crows foot is used to torque the fuel rail pressure sensor then special attention to the position of the crows foot in relation to the torque wrench is required.

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 663912 Size: SH
  2. If the crows foot is kept perpendicular (90 degrees) to the torque wrench during the entire tightening procedure, then the torque wrench can be set to the listed torque specification.

    3. Tighten
    Tighten the fuel rail pressure sensor to 70 N·m (52 lb ft).


    Object Number: 830871 Size: SH
  3. Connect the electrical connector to the fuel rail pressure sensor.
  4. Install the A/C compressor. Refer to Air Conditioning Compressor Replacement in Heating, Ventilation and Air Conditioning.
  5. Install the engine cover . Refer to Engine Cover Replacement in Interior Trim.
  6. Install the air cleaner layer . Refer to Air Cleaner Replacement .