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.
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HOMESERVICE MANUALSJEEP2008COMPASS 4WD L4-2.4LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSOXYGEN SENSORDIAGRAMSSENSOR-OXYGEN 1/2
2008 Jeep Compass 4WD L4-2.4L
Sensor-Oxygen 1/2
2008 Jeep Compass 4WD L4-2.4LSECTION Sensor-Oxygen 1/2
Component ID: 143
Component : SENSOR-OXYGEN 1/2
Connector:
Name : SENSOR-OXYGEN 1/2
Color : BLACK
# of pins : 4
Qualifier : (GAS)
Pin Circuit Description
1 Z924 20BK/LB GROUND
2 K299 20BR/RD O2 1/2 HEATER CONTROL
3 K904 20DB/DG O2 1/2 RETURN
4 K141 20DB/YL O2 1/2 SIGNAL
Component Location - 8
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:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.