just to clear up some confusion there seems to be here. most tablets/phones with micro usb, are themselves normally a usb device. this means they can be charged from the micro usb.
when you connect a usb OTG (or usb host) adaptor, they become usb hosts, and therefore supply power to the usb...
http://www.ecutalk.com/consultlcd.aspx
Compatibility
Please see the userguide for compatiblity list. Other cars outside of this, contact us. Note: Diesel vehicles do NOT support fuel metering as this information is not available from the ECU.
so unfortunately there is no way to get fuel...
non-CRD ZD30 are ConsultI (via OBDII plug) and wont work with OBDII devices, only ECUTalk (and not really any other consult devices/software, since they arent designed for diesels).
CRD ZD30 are OBDII/ConsultII and tend to work with most OBDII devices, Scangauge 2 included from memory.
the...