
The other garage have confirmed the fault lies with the distributor! (not the cap or leads but the actual distributor) They have swapped out with another van they have in stock, so are confident that this is the case. I ran this past our local mechanic, who confirmed it would have been his next port of call, but that the readings he was getting were confusing the issue. The unit is being sent off for a rebuild, so fingers crossed.

In our case the van was drive-able, although you had to pick your routes, but I know of another owner who is having similar symptoms, but is unable to drive to a garage with it because it is so bad. I wonder if ours is the only bongo with this issue???
Wish us luck.