P2302
PowertrainIgnition Secondaryhigh severityIgnition Coil B Secondary Circuit
What P2302 Means
Fault in ignition coil B secondary circuit (typically cylinder 2).
Symptoms
- Cylinder 2 misfire
- Check engine light
- Rough idle
Common Causes
- Failed coil
- Bad spark plug
- Carbon tracking on boot
Diagnostic Steps
- Swap coil to test
- Replace spark plug
- Inspect boot
Where to start: Replace coil and/or spark plug.
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