Check Engine Code
P0306
Cylinder 6 Misfire Detected
Severity: high
DIY difficulty: 2/5
Typical cost: $40–$800
What P0306 means
Same misfire diagnosis, isolated to cylinder #6.
Symptoms
- CEL
- Rough idle
- Loss of power
Likely causes (most common first)
- Coil
- Plug
- Injector
- Compression
Can I keep driving?
High — risk of damage if ignored
Typical repair cost
DIY fixes can start near $40 (parts only). Shop repairs for P0306 typically run up to $800 depending on the underlying cause and vehicle. Start with the most common cause — Coil — before throwing parts at it.
Symptoms that match P0306
If you got here from a search query, one of these might describe what your car is actually doing:
Recommended parts & tools for P0306
Most common fix for P0306:
Spark plugs & ignition coilsCompare the parts and tools that pair with AXLY:
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Related codes
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