Herb's An Old Crown Loyalist, One Turned...
Crosswords1 min ago
No best answer has yet been selected by marilynd. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.Sorry to hear this. I have a W plate 1.8 Vectra and have had to get the ECU re-programmed following the engine cutting out at low revs (almost the opposite to your problem). The VX garage told me too that there were no fault codes stored on the ECU.
Sorry I can't give you anything more concrete other than prepare yourself for a whopping bill to fix the ECU if all other fixes fail to work.
TT