if you have an android smart phone then buy this:

http://www.ebay.co.uk/itm/Blue-ELM32...item27deaf7e2b

and download the torque app
https://play.google.com/store/apps/d...orque&hl=en_GB

and use this as it will work with more cars than a generic reader.

google torque app videos and see what this can do!