DTC P0139: 1/2 O2 Sensor Slow Response: Notes
NOTE:
For circuit identification and wiring diagram, see WIRING DIAGRAMS article. If Powertrain Control Module (PCM) is replaced, PCM must be reprogrammed. See PROGRAMMING
. After each repair procedure has been completed, reconnect all components. Perform TEST VER-5
under VERIFICATION TESTS to ensure system is functioning properly.