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Chrysler
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2009
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PT Cruiser Base, Standard
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Repair and Diagnosis
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Engine Performance
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System
›
DTCS P0016 To P0133 - Gas
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P0037-O2 Sensor 1/2 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 on.