[smellthebeans]

Originally Posted by Dackelone

You can buy a digital box that mounts atop of your steering wheel(or anyplace you really want to mount it) and plugs into the OBD-II port, giving you some of this info. Not sure about oil pressure... but oil temp, water temps and a bunch of other stuff.

There is even a WiFi plug/adapter that plugs into your OBD-II port and then you use an app with your iPhone to see this data.

Link?
Source?

Cheers!
B