I have a ELMSCAN 327 OBD 2 (OBD II) scanner for diagnosing and clearing faults with your car ECU, on board computer, etc. I used it with my previous car (Peugeot 407) and it did everything I needed, but now I have a leased car, so no need for it any more as I am not allowed to "play" with it :-(
It has only been used once to detect and cure one problem, so it is like new. Comes complete with the software disk to install the diagnostic software on your laptop.
If you are interested, make me a SENSIBLE offer for it. Contact Gordon on 07786 698820 (To give you an idea of what to offer, they are currently selling for £69.99 plus P&P on ebay)