p0300
Moderate
Volkswagen · SUVs
Random/Multiple Cylinder Misfire Detected
Quick Answer
Error code P0300 on your Volkswagen SUVs means: Random/Multiple Cylinder Misfire Detected. This is usually fixable — see the step-by-step guide below.
Affected Models
Likely Causes
  1. Worn or fouled spark plugs
  2. Failing ignition coil packs
  3. Low fuel pressure or clogged fuel injectors
  4. Vacuum leaks causing lean misfire
  5. Carbon buildup on intake valves (direct injection engines)
How to Fix It
1
Read freeze frame data and misfire counters to identify which cylinders are affected
2
Remove and inspect all spark plugs for wear, fouling, or incorrect gap
3
Swap ignition coil packs between cylinders to isolate a faulty coil
4
Perform a fuel pressure test and check injector balance rates
5
Run a compression test to rule out mechanical engine issues
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 coil packs
Fuel injectors
Intake manifold gasket
Related Error Codes
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