GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Impala 🢒 Engine 🢒 Engine Controls - 3.4L 🢒 Intake Air Temperature Sensor Replacement

Removal Procedure

    Object Number: 811623 Size: SH
  1. Disconnect the intake air temperature (IAT) sensor electrical connector (3).
  2. Carefully grasp the sensor and with a twisting and pulling motion, remove the IAT sensor (1) from the air cleaner intake duct.

Installation Procedure

    Object Number: 811623 Size: SH
  1. Install the IAT sensor (1).
  2. Connect the IAT sensor electrical connector (3).