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Mitsubishi
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2023
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Outlander ES, AWD
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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 5)
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DTC/Circuit Diagnosis
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DTC P2271: O2 Sensor
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DTC Description
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Possible Cause
Possible Cause
Harness or connectors (The heated oxygen sensor 2 circuit is open or shorted.)
Heated oxygen sensor 2
Fuel pressure
Direct fuel injector
Port fuel injector
Intake air leaks