p0300
Moderate
Genesis · SUVs
Random/Multiple Cylinder Misfire Detected
Quick Answer
Error code P0300 on your Genesis SUVs means: Random/Multiple Cylinder Misfire Detected. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Scan vehicle with OBD-II to identify specific cylinder misfires
2
Inspect and replace spark plugs if needed
3
Check ignition coil resistance for all cylinders
4
Perform fuel pressure test
5
Check engine compression on all cylinders
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Spark plugs set
Ignition coils
Fuel filter
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