DTC P0153: 2/1 O2 Sensor Slow Response: Notes
NOTE:
Applies to California models only. The 2/1 HO2S may also be referred to as an upstream oxygen sensor. The 2/1 HO2S is located on front of right catalytic converter.
NOTE:
For circuit identification and wiring diagram, see WIRING DIAGRAMS article. After each repair procedure has been completed, reconnect all components. Perform TEST VER-5: OBD-II MONITOR VERIFICATION under VERIFICATION TESTS to ensure system is functioning properly.