This is a question that is often asked. Many people join the Bongo owners groups on facebook and see comments about things going wrong. However, this isn’t because all Bongos go wrong, but because when they do, people find the support they receive, from fellow Bongonauts, invaluable in sorting out their issues.
If you are a member of the biggest group, Mazda Bongo Owners Club, go to their homepage and follow the instructions, below:
Enter this search in the box: convince me I should still buy a Bongo
The relevant thread should then be found.
Here’s a video by YouTube user, savedpurplecat, about owning a Diesel Bongo.