P1356 – Ignition Coil Misfire Detected (Cylinder 4)
Want to confirm the real cause of this fault code?
A high‑quality OBD2 scanner gives you live data, fuel trims, sensor readings and freeze‑frame information — exactly what you need to verify the root cause of this code with confidence.
Symptoms
- Misfire
- Rough idle
- Weak acceleration
Causes
- Faulty coil
- Worn spark plug
- Wiring issue
Diagnosis
- Check spark plug
- Test coil
- Inspect wiring
Repair
- Replace coil
- Replace spark plug
- Repair wiring