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2018
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Charger Pursuit, 5.7L Eng VIN T, 4WD
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Repair and Diagnosis
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Engine Performance
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System
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5.7L - DTCS P1593 To P2314
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DTC Troubleshooting
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P1621-O2 Sensor Reference Voltage Circuit Low
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Set Condition
Set Condition
The Downstream O2 Sensor Return circuit voltage is less than 0.9 - 0.96 volts depending on calibration for approximately 9.0 seconds.