Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DBβ LIVE
HOMESERVICE MANUALSJEEP2008COMMANDER 2WD V8-4.7LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSOXYGEN SENSORDIAGRAMSSENSOR-OXYGEN-RIGHT REAR
2008 Jeep Commander 2WD V8-4.7L
Sensor-Oxygen-Right Rear
2008 Jeep Commander 2WD V8-4.7LSECTION Sensor-Oxygen-Right Rear
Component ID: 514
Component : SENSOR-OXYGEN-RIGHT REAR
Connector:
Name : SENSOR-OXYGEN-RIGHT REAR
Color :
# of pins : 4
Qualifier : (GAS)
Pin Circuit Description
1 Z42 20BK/LG GROUND
2 K399 20BR/GY O2 2/2 HEATER CONTROL
3 K904 20DB/DG O2 RETURN (DOWNSTREAM)
3 K904 20DB/WT O2 RETURN (DOWNSTREAM)
4 K243 20BR O2 2/2 SIGNAL
Component Location - 21
Component Location - 23
Component Location - 28
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.