Removal (4.3L)
WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect Mass Airflow (MAF) sensor harness connector. MAF sensor is located in right side of engine compartment, near air cleaner assembly. See Figure. Loosen hose clamps on both sides of MAF sensor. Dislodge air inlet tube from outlet side of MAF sensor. Pull MAF sensor from air cleaner assembly.