I have been looking for a powerful OBD tool for quite a while and I believe I just found it! Though the past days, I tested it on my cars, ranging from a 10 year old Japanese car to a 1 year old German car. I ran many tests. It works like a charm! What made me especially happy is that the 10 year old car has no fault at all I also love the live data, which not only can be displayed as numbers, but also GRAPHS! As a geek, I really love to see these curves, and I appreciate how much effort they put to make this work so beautifully. Before I bought this, I checked out the reviews on OBD2TOOL . It has good reputations. But the question I had, and many others may have, is whether a non-professional should consider to buy it. There are anyway a bunch of other OBD tools much cheaper available in the market. However, I believe I now have the answer. If you are a geek like me, or are interested in knowing more about your vehicles like how they run, or just want