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Dodge and Ram
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2022
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Challenger SXT, RWD
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Repair and Diagnosis
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Engine Performance
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System
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3.6L - DTCS P0123 To P0157
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DTC Troubleshooting
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P0138-O2 Sensor 1/2 Circuit High
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Set Condition
Set Condition
The Powertrain Control Module (PCM) detects that the Oxygen Sensor 1/2 signal voltage is above 1.2 volts for 9.0 seconds.