Andrew, I find it interesting that it, in your case, had nothing to do with the 'idle speed control valve' - not primarily anyhow. Have you any idea of which part is most important in your solution?
You also mention 'Librands set up' and I guess it relates to the hardware, not software... right?

Easter: I read about others with the same problem... frown

Regards

-99 4/4, 1.8 Zetec, Indigo Blue, 2-seat, Suplex RS
-04 Citroen Pluriel, 1.6 Sensodrive, Met Orange