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Infiniti
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2019
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QX30 Pure
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Repair and Diagnosis (Single Page)
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Engine Performance
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Testing & Diagnosis
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Engine Control System (DTC/Circuit Diagnosis) (2 Of 4)
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DTC/Circuit Diagnosis
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DTC P0137: O2 Sensor
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DTC Description
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Possible Cause
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Possible Cause
Harness and connectors
(Heated oxygen sensor circuit is open or shorted.)
Heated oxygen sensor