LEMON Manuals
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ProMaster City Base
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Repair and Diagnosis
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Engine Performance
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System
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2.4L - DTCS C0061 To P0302
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DTC Troubleshooting
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P0137 - O2 Sensor 1/2 Circuit Low
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When Monitored
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When Monitored
This diagnostic runs continuously when the following conditions are met:
Battery voltage between 11.0 and 15.75 volts.
With the engine running.