P0302High urgency
Cylinder 2 Misfire Detected
Powertrain · Ignition
⛔ Avoid highway speeds — risk of catalytic converter damage.
What this means
Cylinder 2 is misfiring. Common causes: fouled spark plug, failing ignition coil, or bad fuel injector on cylinder 2.
Likely causes
- Faulty spark plug cylinder 2Most common
- Failed ignition coil cylinder 2Most common
- Bad fuel injector cylinder 2Common
Estimated repair cost
Spark plug replacement$50 – $150
Ignition coil replacement$150 – $350
Fuel injector service$150 – $400
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Frequently asked questions
What does P0302 mean?
Cylinder 2 is misfiring. Common causes: fouled spark plug, failing ignition coil, or bad fuel injector on cylinder 2.
Is P0302 serious?
Avoid highway speeds — risk of catalytic converter damage.
How much does it cost to fix P0302?
Repair costs for P0302 range from $50 – $150 depending on the root cause and your vehicle.
Can I drive with P0302?
No — this code indicates a serious issue. Stop driving and have the vehicle inspected immediately.