P0302 – Cylinder 2 Misfire Detected
- System
- Engine
- Dashboard light
- Check engine light (MIL)
- Check-engine blink code
- —
- Applies to
- Generic OBD-II meaning. Not every code is used by this car.
- Description
- Cylinder 2 Misfire Detected
- Detection / symptoms
- 1.Check engine light on
- Possible causes
- 1.Defective ignition coil(s) 2.Bad spark plug(s), spark plug wires, or spark plug boots 3.Faulty fuel injector(s) 4.Malfunctioning fuel delivery system (fuel pump, fuel pump relay, fuel injectors, or fuel filter) 5.Major engine vacuum leak 6.EGR valve stuck in the wide open position 7.Clogged EGR ports
- What to check
- 1.Read the code and freeze-frame data with an OBD-II scanner 2.Check the connector and wiring of the part named in the code 3.Test the part with scanner live data or a multimeter, using the values in the repair manual 4.Fix the cause, clear the code and test-drive
- Confidence
- medium (generic OBD-II definition, not checked against the factory manual for this car)
Generic OBD-II meaning (obd-codes.com), not checked against this car's factory manual. Clear the code and test-drive to confirm it returns. Search all fault codes · Common problems · Warning lights