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Nissan-Datsun
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2021
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Altima S
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Repair and Diagnosis (Single Page)
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Engine Performance
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System
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Engine Control System (Pr25DD) (DTC/Circuit Diagnosis) (2 Of 4)
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DTC/Circuit Diagnosis
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DTC P044D: EGR Volume Control Valve Position Sensor
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DTC Description
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PR25DD engine
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Possible Cause
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Possible Cause
Harness or connectors
(EGR volume control valve position sensor circuit is open or shorted.)
EGR volume control valve