Exhaust System: Locations

Component Locations: Engine Management System

Exhaust System


• 3.0L gasoline engine => [ 3.0L Gasoline Engine ]

• 4.0L gasoline engine => [ 4.0L Gasoline Engine ]

• 6.3L gasoline engine => [ 6.3L Gasoline Engine ]



3.0L Gasoline Engine



Oxygen Sensors Location, Cylinder Bank 1 (right)






1 - Heated oxygen sensor -G39-
2 - Oxygen sensor after three way catalytic converter -G130-

Oxygen Sensors, Cylinder Bank 2 (left)






1 - Heated oxygen sensor 2 -G108-
2 - Oxygen sensor 2 after catalytic converter -G131-


4.0L Gasoline Engine


Heated Oxygen Sensors Overview





1 - Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) -G130-

- Heated Oxygen Sensor (HO2S) 2 -G108-

- Heated Oxygen Sensor (HO2S) -G39-

- Oxygen Sensor 2 after Catalytic Converter -G131-


Exhaust door control unit -J883- and Exhaust door control unit 2 -J945-






• Exhaust door control unit -J883- located
on left side

• Exhaust door control unit 2 -J945- located
on right side



6.3L Gasoline Engine







1 - Oxygen sensor 4 after catalytic converter -G288-

2 - Oxygen sensor 3 after catalytic converter -G287-

3 - Heated oxygen sensor 4 -G286-

4 - Heated oxygen sensor 3 -G285-

5 - Heated oxygen sensor -G39-

6 - Heated oxygen sensor 2 -G108-

7 - Oxygen sensor after three way catalytic converter -G130-

8 - Oxygen sensor 2 after catalytic converter -G131-