I second the Auto-X-Ray. :thumbup: I have one and it paid for itself two or three times over now. It gives you real time data and you can purchase the option to record and read data on your PC or laptop. Ed www.edgesz28.comGreg Latvala said:Check out this one.
If you call them ask about upgrades/updates for the scan tool too.
http://www.autoxray.com/products.aspx?sub=scanners&id=2