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Jeep
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2009
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Wrangler X, Automatic
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Repair and Diagnosis
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Engine Performance
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System
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DTCS P0016 To P0129 - NGC
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P0031-O2 Sensor 1/1 Heater Circuit Low
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Monitor Conditions
Monitor Conditions
When Monitored:
Battery voltage above 10.6 volts, ASD is powered up, and O2 heater is powered.