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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0300, P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308: No. 1 - 8 Cylinder Misfire, Multiple Cylinder Misfire >> Diagnostic Procedure >> 4. Check Injector

4. Check Injector

Does each injector make an operating sound at idle?

Yes or No 

Yes: GO TO 5.

No: Check injector(s) and circuit(s). Refer to INJECTOR CIRCUIT  .

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