P0301
Cylinder 1 Misfire Detected
OBD-II
Misfire
What it means
Cylinder 1 is misfiring — start with the spark plug and coil, then injector and compression.
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Check your car freeRelated codes
P0300
Random/Multiple Cylinder Misfire Detected
MisfireHigh
P0302
Cylinder 2 Misfire Detected
MisfireHigh
P0303
Cylinder 3 Misfire Detected
MisfireHigh
P0304
Cylinder 4 Misfire Detected
MisfireHigh
P0305
Cylinder 5 Misfire Detected
MisfireHigh
P0306
Cylinder 6 Misfire Detected
MisfireHigh
P0307
Cylinder 7 Misfire Detected
MisfireHigh
P0308
Cylinder 8 Misfire Detected
MisfireHigh
General reference only — what a code means can vary by make and model. Confirm with a qualified technician.