Removal (3.8L)
WARNING: This page is about a different car, the 2002 Pontiac Grand Prix, 2002 Chevrolet Monte Carlo, 2002 Chevrolet Impala, 2002 Buick Regal, and 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
Turn OFF the ignition. Disconnect the electrical connector from the Exhaust Gas Recirculation (EGR) valve. See Figure. Remove the two EGR valve retaining nuts. Remove the EGR valve. Remove the gasket from the EGR valve adapter. Clean the EGR valve adapter from dirt and debris.