P0307
PowertrainIgnition Misfirehigh severityCylinder 7 Misfire Detected
What P0307 Means
Misfire detected in cylinder 7.
Symptoms
- Check Engine Light
- Rough idle
- Loss of power
Common Causes
- Worn spark plug #7
- Faulty ignition coil #7
- Faulty injector #7
- Low compression
Diagnostic Steps
- Swap coil #7
- Inspect plug #7
- Test injector #7
- Check compression
Where to start: Swap coil to diagnose.
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