Oxygen Sensor (O2S) Removal
- Disconnect the negative battery cable.
- Disconnect the oxygen sensor wiring harness connector.CAUTION: The oxygen sensor (O2S) uses a permanently attached pigtail and connector. This pigtail should not be removed from the O2S. Damage or removal of the pigtail or the connector could affect proper operation of the O2S. Take care when handling the O2S. Do not drop or damage the O2S.
- Remove the oxygen sensors (O2S) from the pup converter.CAUTION: The oxygen sensor may be difficult to remove when the engine temperature is below 118 °F (48 °C). Excessive force may damage the threads in the exhaust manifold.