on May 23, 2012, 8:08 pm, in reply to "Re: Vauxhall Vectra - engine hunting on tickover."
I fitted an air mass meter as we have another known good one here, and it hasn't missed a beat since.
I have looked at the egr and its well choked up, so gave that a clean too, after a road test, just to be sure.
Very many thanks for your valued input,
hope I can help someone someday!
Liam.