Cylinder 12 Misfire Detected

Check these first

• A fouled spark plug on cylinder 12
• A failing coil or boot on cylinder 12
• A clogged fuel injector on cylinder 12
• A vacuum leak at the cylinder 12 intake port
• Low compression on cylinder 12

What to do next

1. Check misfire data to confirm cylinder 12
2. Inspect the cylinder 12 spark plug for fouling
3. Swap the cylinder 12 coil with another and recheck
4. Test the cylinder 12 injector circuit and flow
5. Check compression on cylinder 12
6. Clear the code and retest

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