Yes the MK6 Transit is OBD2 and the port is jus down below the steering wheel
2
The battery is under the driver's seat
5x8
On a Transit mk5 under the bonnet, on a Transit mk6 under the drivers seat
pull out light switch
80 litres or at todays money £100.24 to fill up
you have to cut or chisel the old one off and weld on the new one
yes
behind passenger side headlight
Nope, pins are different.
it is behind the lights, accessed from inside the boot, behind the side covers.