Exhaust System: Locations

Component Locations: Engine Management System

Exhaust System Overview


• 3.0L CGXB Exhaust System Overview => [ 3.0L CGXB Exhaust System Overview ]

• 4.0L CEUC Exhaust System Overview => [ 4.0L CEUC Exhaust System Overview ]








3.0L CGXB Exhaust System Overview



Oxygen Sensor Locations, Cylinder
Bank 1 (right)






1 - Heated oxygen sensor -G39- with Oxygen sensor heater -Z19-
2 - Oxygen sensor after three way catalytic converter -G130- with heater for oxygen sensor 1 after catalytic converter -Z29-

Oxygen Sensor Locations, Cylinder
Bank 2 (left)






1 - Heated oxygen sensor 2 -G108- with Oxygen sensor 2 heater -Z28-
2 - Oxygen sensor 2 after catalytic converter -G131- with heater for oxygen sensor 2 after catalytic converter -Z30-


4.0L CEUC Exhaust System Overview



Heated Oxygen Sensors Overview






1 - Oxygen sensor after three way catalytic converter -G130- with heated O2S after catalytic converter Heater for oxygen sensor 1 after catalytic converter -Z29-
2 - -G108- with O2S heater Oxygen sensor 2 heater -Z28-
3 - Heated oxygen sensor -G39- with O2S heater Oxygen sensor heater -Z19-
4 - Oxygen sensor 2 after catalytic converter -G131- with heater for O2S 2 after catalytic converter Heater for oxygen sensor 2 after catalytic converter -Z30-

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