Removal & Installation (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.

Turn ignition off. Disconnect sensor harness connector. MAP sensor is located on top center of engine. See Fig 1.
Remove MAP sensor from intake manifold by pulling straight up with a slight rocking motion. Remove and discard MAP sensor grommet.

Install a NEW MAP sensor grommet onto the MAP sensor. Carefully install MAP sensor into intake manifold. Reconnect harness connector to MAP sensor.

Fig 1: Locating EGR Valve, EVAP Canister Purge Solenoid & MAP Sensor (4.3L)

Courtesy of GENERAL MOTORS CORP.