GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2002 🢒 Grand Prix 🢒 Engine 🢒 Engine Controls - 3.8L 🢒 Intake Air Temperature Sensor Replacement

The intake air temperature (IAT) sensor is mounted in the rear air intake duct.

Removal Procedure

    Object Number: 74279 Size: SH
  1. Disconnect the IAT sensor electrical connector.
  2. Grasp and remove the IAT sensor (3) with a twisting and pulling motion.

Installation Procedure

    Object Number: 74279 Size: SH
  1. Position and insert the IAT sensor (3) into the rear air intake duct (2).
  2. Connect the IAT sensor electrical connector.