P0300
P0300 means "Random/Multiple Cylinder Misfire Detected". Severity: 🔴 High. Avoid driving if possible — this can cause damage or be a safety risk. Get it diagnosed right away.
What the P0300 code means
| Code | P0300 |
| Definition | Random/Multiple Cylinder Misfire Detected |
| System | Powertrain (engine & transmission) |
| Type | Generic (SAE standard) |
| Subsystem | Ignition System or Misfire |
| Severity | 🔴 High |
Common causes of P0300
- Worn spark plugs or coils
- Vacuum leak
- Low fuel pressure
- Carbon buildup
How to fix P0300
- Replace spark plugs and coils
- Check for vacuum leaks
- Test fuel pressure
Always confirm the diagnosis with a scan tool and live data before replacing parts.
Is it safe to drive with P0300?
Avoid driving if possible — this can cause damage or be a safety risk. Get it diagnosed right away.
P0300, answered.
What does P0300 mean?
P0300 stands for "Random/Multiple Cylinder Misfire Detected". It is a generic (sae standard) OBD-II powertrain trouble code.
Is it safe to drive with a P0300 code?
Avoid driving if possible — this can cause damage or be a safety risk. Get it diagnosed right away.
What causes P0300?
Common causes include: Worn spark plugs or coils; Vacuum leak; Low fuel pressure; Carbon buildup.
How do you fix P0300?
Typical fixes: Replace spark plugs and coils; Check for vacuum leaks; Test fuel pressure. Always confirm the diagnosis before replacing parts.