DTC P0153: 2/1 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 POWERTRAIN VERIFICATION TEST VER-5
under VERIFICATION TESTS to ensure system is functioning properly.
NOTE:
2/1 HO2S may also be referred to as a upstream oxygen sensor. On 4.0L, 2/1 HO2S is located on rear exhaust manifold. On 4.7L, 2/1 HO2S is located in right (passenger's side) exhaust downpipe in front of catalytic converter.