1.CHECK PCV HOSE CONNECTION
Confirm that PCV hose is connected correctly.
Is the inspection result normal?
YES
>>
GO TO 2
.
NO
>>
Repair or replace malfunctioning part.
2.CHECK INTAKE AIR LEAK
Start engine and let it idle.
Listen for an intake air leak after the mass air flow sensor.
Is intake air leak detected?
YES
>>
Discover air leak location and repair.
NO
>>
GO TO 3
.
3.REPLACE ECM
Stop engine.
Replace ECM.
Go to
Special Repair Requirement (GT-R certified NISSAN dealer)
.
>>
INSPECTION END