Removal & Installation (4.3L)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2003 GMC Savana Special, 2003 GMC Savana Camper Special, 2003 GMC Savana, 2003 Chevrolet RV Cutaway, and 2003 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Numbers in parenthesis refer to numbers in illustrations.
Turn ignition off. Disconnect the Mass Air Flow (MAF) sensor harness connector (1). See Fig 1. Loosen the clamps (2) on the MAF sensor. Carefully remove the MAF (3) and IAT (4) sensor from the air intake duct. Ensure that the MAF sensor flow arrows point away from the air cleaner assembly. Install the MAF sensor into the air intake ducts. Tighten the clamps on the MAF sensor. Connect the MAF sensor harness connector.