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Nissan-Datsun
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2021
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Sentra SR
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System (DTC/Circuit Diagnosis) (4 Of 4)
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DTC/Circuit Diagnosis
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DTC P2239: O2 Sensor 1 Bank 1
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DTC Description
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Possible Cause
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Possible Cause
Harness or connectors (The A/F sensor 1 circuit is open or shorted.)
A/F sensor 1