Town Car V8-4.6L SOHC VIN W (1999)
Oxygen Sensor: Service and Repair
Front
EGO Sensor Wrench
SPECIAL SERVICE TOOLS
REMOVAL
CAUTION: Always disconnect the battery ground cable prior to work on the electronic controls or damage to the electronic component may occur.
1. Disconnect the battery ground cable.
2. Disconnect the right side Heated Oxygen Sensor (HO2S) electrical connector.
3. Disconnect the left side HO2S electrical connector.
4. Raise and support the vehicle.
WARNING: THE ELECTRICAL POWER TO THE AIR SUSPENSION SYSTEM MUST BE SHUT OFF PRIOR TO
HOISTING,JACKING OR TOWING AN AIR SUSPENSION VEHICLE. THIS CAN BE ACCOMPLISHED BY TURNING OFF THE
AIR SUSPENSION SWITCH. FAILURE TO DO SO MAY RESULT IN UNEXPECTED INFLATION OR DEFLATION OF THE AIR
SPRINGS WHICH MAY RESULT IN SHIFTING OF THE VEHICLE DURING THESE OPERATIONS.