GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 Sierra Denali 🢒 Engine 🢒 Engine Controls and Fuel - 6.6L (LMM) 🢒 Fuel Temperature Sensor Replacement

Removal Procedure

    Object Number: 1335528 Size: SH
  1. Remove the charge air cooler inlet pipe. Refer to Charge Air Cooler Inlet Pipe Replacement .
  2. Disconnect the engine wiring harness electrical connector from the fuel temperature sensor.

    3. Object Number: 1873196 Size: SH
  3. Remove the fuel temperature sensor (1) from the fuel return pipe.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1873196 Size: SH
  1. Install the fuel temperature sensor (1) to the fuel return pipe.

    2. Tighten
    Tighten the sensor to 22 N·m (16 lb ft).


    Object Number: 1335528 Size: SH
  2. Connect the engine wiring harness electrical connector to the fuel temperature sensor.
  3. Prime the fuel system. Refer to Fuel System Priming .
  4. Start the engine. If the engine stalls, repeat the above step.
  5. Once the engine starts, inspect for fuel leaks.