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2021
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Cherokee Trailhawk
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Repair and Diagnosis
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Engine Performance
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System
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3.2L - DTCS P0073 To P0298
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DTC Troubleshooting
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P0161-O2 Sensor 2/2 Heater Performance
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Set Condition
Set Condition
No temperature change is detected in the O2 Sensor 2/2 Heater element when the heater circuit is active