I have a 95 Cav 2.0 16V CDX. Its only done 27,000 but since the alternator went (it was putting out overvolts and blew the dash light) it intermittantly runs on when the ignition is switched off.
I've had a new idle control valve fitted (NetworkQ said it was slow to react) and had the ECU checked out OK by Vauxhall but it is still doing it.
They seem stumped so does anyone have any ideas?
Apart from that the engine seems ok.