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P0300: Random or Multiple Cylinder Misfire
The engine computer detected misfires across more than one cylinder or a pattern that does not point to one cylinder only.
Common causes
- Spark plugs or coils
- Vacuum leak
- Fuel delivery issue
- Compression or timing problem
This free page explains the code. A Shop Brief adapts the next steps to your year, make, model, and full code stack.
Related codes:
P0301P0302P0303P0304 Pricing Sample brief