P0300Severity: High
P0300 – Random/Multiple Cylinder Misfire
A misfire was detected across multiple or random cylinders.
What it means
The ECU sees misfires that can't be tied to one cylinder, or across several cylinders. It can be ignition, fuel or compression related and may affect drive safety.
Symptoms
- Flashing check-engine light
- Shaking/vibration
- Loss of power
- Hard starting
Common causes
- Worn spark plugs/coils
- Vacuum leak
- Weak fuel pressure
- Clogged injectors
- Low compression
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Frequently asked questions
What does trouble code P0300 mean?
P0300 – Random/Multiple Cylinder Misfire. The ECU sees misfires that can't be tied to one cylinder, or across several cylinders. It can be ignition, fuel or compression related and may affect drive safety.
Can I drive with a P0300 code?
This code is high severity. Driving for long can damage the engine; have it checked as soon as possible.