Now look what you've done!
I ordered an ELM327 WiFi OBD II reader from China via eBay.
http://cgi.ebay.com/ws/eBayISAPI.dll...E:L:OC:US:3160
I also intend to use DashCommand, but I'll wait to order that until the device arrives.
https://itunes.apple.com/app/dashcom...321293183?mt=8