p0300
Moderate
MINI · Hatchbacks & Crossovers
Random/Multiple Cylinder Misfire Detected
Quick Answer
Error code P0300 on your MINI Hatchbacks & Crossovers means: Random/Multiple Cylinder Misfire Detected. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
How to Fix It
1
Perform cylinder compression test
2
Inspect and replace spark plugs if needed
3
Check ignition coil resistance values
4
Test fuel injector spray patterns
5
Verify fuel pressure and filter condition
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
Ignition coils
Fuel filter
Compression gauge
Fuel injector cleaner
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