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Infiniti
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2004
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Q45
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Repair and Diagnosis
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Engine Performance
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Engine Control System
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DTC P0507: ISC System
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Diagnostic Procedure
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1. Check PCV Hose Connection
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1. Check PCV Hose Connection
Confirm that PCV hose is connected correctly.
OK or NG
OK : GO TO 2.
NG : Repair or replace.