Heated Oxygen Sensor Wire Repair Notice
WARNING: This page is about a different car, the 2008 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Do not solder heated oxygen sensor wires. Soldering the wires will result in the loss of the air reference to the sensor. Refer to WIRING SYSTEMS AND POWER MANAGEMENT - SERVICE, TROUBLESHOOTING & DIAGNOSIS
article for proper wire and connection repair techniques.