Engine light on 2005 Jaguar S-Type

The engine light came on in my 2005 Jaguar. It was checked and the codes stated 3 cylinders misfired. What would cause this?

Asked by for the 2005 Jaguar S-Type
Most likely a bad ignition coils, I have replaced a lot of them, replace the spark plugs while you are servicing the car if they have not been replaced recently.
3 answers
bad spark plug are the housing aka wires
some time is oil in cylinder 3 if no change coil and the spakplug