Worzel.....Anger... Ignore Stiggy he's an arse!!!!
Cheers guys for the info just need to get the switch sorted and the map done as well..
Am i right in saying that even if car is mapped for fuel econemy on second map, it doesn't matter if you still have V-power in the tank?? And that the only time it would cause an issue is if the car is on performance map and has crap fuel in... If that makes sense....??