Hello Aquiesce
Thank you for the offer of assistance
It had been running well, with the only noticeable problem being a 'lumpy' idle on occasion. It would idle at around 400 rpm, then cut out, when hot or cold. Once restarted, it would be perfect.
The starting prob occurred last Friday - it had been a very wet week, so I figured on moisture somewhere in the ignition being most culpable. There is fuel at the injectors, and also a spark, which doesn't look too great to me.
All components replaced so far are genuine.
Cheers