xTool iOBD2 £95  1st Nov 2012 | 12:45  xTool iOBD2  xTool brings
car diagnostic and performance testing into the wireless age
TechRadar rating:  4.5 stars   Full OBD II diagnostics; Wireless
connectivity; Slick smartphone app   Some lag with live data;
Simple code readers are cheaper; Mileage varies depending on
model and age of car   Home-brew car diagnostics generally do
two things. With a little knowledge, they can save you money on
car maintenance. And they can also be a lot of fun.  It's the
latter that the xTool iOBD2, a combination of hardware and app
that supports iPhone and Android, majors on. That's not to say,
however, it can't do the useful bit.  It's at least as powerful
as most low cost on-board diagnostics readers, possibly more so.
But it gets the job done in a much more user-friendly way and
throws some extra features into the mix. Best of all, it
connects wirelessly to your smartphone.  What are on-board car
diagnostics?  But let's not get ahead of ourselves. First a
quick recap on what, ex