AI4Car quick readA short, original guide from the AI4Car knowledge library.
P0300 indicates random or multiple-cylinder misfires were detected. Look for companion codes and note whether the engine is rough at idle, under acceleration, or only when cold.
Ignition, fuel delivery, air leaks, compression, and wiring can all matter. If the check-engine light flashes or the engine shakes heavily, stop driving and arrange a safe inspection.
Quick educational note
For information, not a diagnosis or repair instruction. Vehicle-specific checks are still required. Consult the manufacturer's guidance and a qualified technician.
How to use this information
This article explains general principles and does not establish what is wrong with your vehicle. Read the content limitations.