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2021
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Voyager LXi, Gas
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Repair and Diagnosis
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Engine Performance
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Testing & Diagnosis
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3.6L - DTCS P1057 To P1D73
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Diagnosis And Testing
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P1621-O2 Sensor Reference Voltage Circuit Low
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When Monitored
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.