lemon-mirror
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Jeep
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2008
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Commander Overland, RWD
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Repair and Diagnosis
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Engine Performance
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System
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DTCS P0128 To P0197
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P0161-O2 Sensor 2/2 Heater Performance
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Monitor Conditions
Monitor Conditions
When Monitored:
Engine running and heater duty cycle greater than 0%. Battery voltage greater than 11.0 volts.