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P0302: Cylinder 2 Misfire Detected
Cylinder number 2 is misfiring.
High Severity
$50 – $500
Can I Keep Driving with Code P0302?
Avoid extended driving. A flashing CEL means stop now.
What P0302 Means
Same as P0301 but on cylinder 2. Causes and diagnosis are identical, just focused on a different cylinder.
Common Causes
- Bad spark plug in cylinder 2 — see repair cost
- Failed ignition coil on cylinder 2
- Clogged fuel injector — see repair cost
- Low cylinder compression
Diagnostic Tips
- Swap coils between cylinder 2 and a known-good cylinder to confirm the bad part.
- If the misfire moves with the coil, replace just that coil.
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Get My Free EstimateFrequently Asked Questions
Should I replace all coils when one fails?
Not necessarily. Coils do not all wear at the same rate. Replace as needed.