Crown Victoria V8-4.6L CNG SOHC VIN 9 (1999)
Oxygen Sensor: Service and Repair
Front
EGO Sensor Wrench
Special Tool(s)
REMOVAL
1. Disconnect the battery ground cable.
2. Disconnect the electrical connector from the right side Heated Oxygen Sensor (HO2S).
3. Disconnect the electrical connector from the left side heated oxygen sensor.
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.
