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Jeep
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2006
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Commander Base, 3.7 K, AWD
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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3.7L & 4.7L & 5.7L Engine - DTCS P0016 To P0118, Diagnostic Code Index, Pre-Diagnostic Troubleshooting Procedure & Intermittent Condition
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Electrical Diagnostics
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Diagnosis And Testing
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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.