P0304

DTC P0304: CYLINDER 4 MISFIRE DETECTED (MIS-4)

DTC DETECTING CONDITION:
- Two consecutive trips with fault
- Immediately at fault recognition (A misfire which could damage catalyst occurs.)

TROUBLE SYMPTOM:
- Engine stalls.
- Erroneous idling
- Rough driving





SUBARU SELECT MONITOR DISPLAY





FLOW CHART

CAUTION: After repair or replacement of faulty parts, conduct CLEAR MEMORY and INSPECTION MODES.





WIRING DIAGRAM


























PROCEDURES