Explorer 4WD V6-4.0L VIN E (1999)
Heated Oxygen Sensor: Service and Repair
Oxygen Sensor Wrench
SPECIAL SERVICE TOOLS
1. 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 LOCATED IN THE REAR JACK STORAGE ARE 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.
2. Remove the four bolts and the skid plate.
3. Remove front dual converter Y-pipe.
4. Disconnect the connector.
