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Jeep
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2018
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Grand Cherokee Trackhawk
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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6.2L - DTCS P000B To P0140
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DTC Troubleshooting
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P0138-O2 Sensor 1/2 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 10.4 volts.