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Infiniti
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2021
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Q50 Pure, AWD
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Repair and Diagnosis
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Engine Performance
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System
›
Engine Control System (DTCS) (5 Of 6)
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Engine (ECM)
›
P2270 O2 Sensor
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DTC Description
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VR30DDTT engine
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Possible Cause
Possible Cause
A
Harness or connectors (The sensor circuit is open or shorted)
Heated oxygen sensor 2
B
Harness or connectors (The sensor circuit is open or shorted)
Heated oxygen sensor 2
Fuel pressure
Fuel injector