OBD2 is the same as what is used on all cars and light trucks manufactured for sale in America since 1996. If it has the same plug, it likely takes the same reader. The professional versions of these readers can cost more than a thousand dollars. When software for these professional readers is added ( and they're updated often, since each manufacturer has brand specific codes) the cost can be several thousand dollars. But the good news is, there's generic information in each system, that's common to all vehicles that use the system. So you don't need the expensive version of this tool. You can use the cheap one, (they're about a hundred bucks) and do a little detective work. The code reader will tell you which part, or system needs to be investigated further. However in your case even that might not be necessary. But unfortunately, it will require someone who either knows, or has access to specific voltage values for that particular models electrical components. This information would still be necessary, even if you had the code reader. That's not saying that a reader wouldn't help. But you still need to be able to decipher the gibberish that a code reader puts out. On a car, there's lots of information on the internet that helps you decipher the information. On one of these, there just isn't that much that can be wrong with it, since there just aren't many components there. And I doubt that even the internet would help with diagnosis. I suspect that a multimeter and some time spent checking the components involved in telling the fuel system how much fuel it needs to start would be the best course of action.