Diagnostic Aids
WARNING: This page is about a different car, the 2000 Pontiac Firebird, 2000 Chevrolet Corvette, and 2000 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.
Oxygen supply inside HO2S is necessary for its proper operation. This supply of oxygen is provided through HO2S wires. Inspect all wires and terminals for breaks or contamination.