Your welcome matey 
Good idea Mark, I'll look at all the live data and make a note of what's happening. Many thanks for all your help, and also many thanks to all who gave me their ideas - I know a lot more about eror codes and live data than a week ore tow ago.
Cheers,
Bertie
Try just looking at on-line courses etc...
Or any off of here: https://www.carbibles.com/best-auto-mechanic-books/
