p0300
Moderate
Acura · Sedans
Random/Multiple Cylinder Misfire Detected
Quick Answer
Error code P0300 on your Acura Sedans means: Random/Multiple Cylinder Misfire Detected. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
DE3/DE4DC5/DN2DN2NC1KC1UA6CU2
Likely Causes
  1. Worn spark plugs
  2. Faulty ignition coils
  3. Low fuel pressure
  4. Engine carbon buildup
  5. Cylinder compression issue
How to Fix It
1
Perform compression test on all cylinders
2
Inspect and replace spark plugs if needed
3
Check ignition coil resistance
4
Verify fuel pressure is within specifications
5
Clean fuel injectors with professional cleaner
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 injector cleaner
Related Error Codes
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