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Dodge and Ram
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2021
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ProMaster 2500
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Repair and Diagnosis
›
Engine Performance
›
System
›
3.6L - DTCS P0139 To P0345
›
DTC Troubleshooting
›
P0152-O2 Sensor 2/1 Circuit High
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When Monitored
When Monitored
This diagnostic runs continuously when the following conditions are met:
With the engine running.
Battery voltage greater than 10.99 volts.