What this code means

The DME detected a severe misfire on Cylinder 3 that triggered protective fuel injector shut-off. Continued driving with this condition may cause catalytic converter damage.

Symptoms

• Check Engine Light flashing
• Rough running
• Loss of power
• Exhaust odor

Common causes

• Faulty ignition coil Cylinder 3
• Worn spark plug Cylinder 3
• Fuel injector failure Cylinder 3
• Low compression
• Valve train issue Cylinder 3

Diagnostic steps

1. Read cylinder-specific misfire counters
2. Swap ignition coil to isolate fault
3. Inspect spark plug condition
4. Test fuel injector
5. Perform compression and leak-down test

Repair notes

Replace faulty ignition coil or spark plug on Cylinder 3.

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