p0300
Moderate
Porsche · SUVs
Random/Multiple Cylinder Misfire Detected
Quick Answer
Error code P0300 on your Porsche SUVs 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 engine compression test
2
Inspect and replace spark plugs
3
Test ignition coils for resistance
4
Check fuel pressure and rail condition
5
Examine fuel injectors for proper spray pattern
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
Fuel injectors
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