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Home › Infiniti › 2021 › Q50 Signature Edition, AWD › Repair and Diagnosis › Engine Performance › System › Engine Control System (DTCS) (3 Of 6) › Engine (ECM) › P0331 Knock Sensor › DTC Description › VR30DDTT engine › Possible Cause

Possible Cause

Harness or connectors

(The knock sensor circuit is open or shorted.)

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