VP berlina shutting down while driving

[VPWagonman]

Hi guys I have a VP that will shut down while driving (Ignition lights etc come on dash when it shuts down). Mostly when slowing down or doing around 80ks feathering on and off. I have replaced the CAS and water pump with brand newys and still no love. I have done the computer test and am comming up 12. I have no idea what this could be plz help

Cheers

[Warranty Void]

You'd have to be looking at the ignition wouldn't you?