Vibration and surging through the car when cold.
MIL on dash.
Fault only occurs for the initial period of driving when leaving for work in the morning at 4am. Ok for rest of the day

Retrieved P0303 Misfire Cyl 3.

Freeze frame data attached showed the fault occurred just seconds after start-up, at 1000rpm cold start idle with coolant temp 8°C.

OBDII Mode 6, I noted misfire counts over the last 10 drive cycles, Cyl 1 – 0, Cyl 2 – 0, Cyl 3 – 4, Cyl 4 – 0.