DTC P0133: 1/1 O2 Sensor Slow Response & DTC P0139: 1/2 O2 Sensor Slow Response: Notes

NOTE: All Oxygen (O2) sensor DTCs listed above are diagnosed using the same test. For component location, see COMPONENT LOCATIONS . For connector terminal identification, see CONNECTOR IDENTIFICATION . For circuit identification and wiring diagram, see appropriate WIRING DIAGRAMS article.

NOTE: If Powertrain Control Module (PCM) is replaced, PCM must be reprogrammed. See POWERTRAIN CONTROL MODULE under PROGRAMMING. After each repair procedure has been completed, reconnect all components and perform POWERTRAIN VERIFICATION TEST VER-5 under VERIFICATION TESTS to ensure system is functioning properly.