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Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0507: ISC System >> Diagnostic Procedure >> 1. Check PCV Hose Connection
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1. Check PCV Hose Connection

Confirm that PCV hose is connected correctly.

OK or NG 

  1. OK: GO TO 2.
  2. NG: Repair or replace.
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