This is a useless piece of plastic with connection to an app that always tells you no problem, safe to drive. So am I to believe that I have a check engine light on, engine running rough and this thing stating no problem, safe to drive? I don't think so, and I sure I am not going to pay extra money for the so-called PRO version. Do what you want (like I did) or trust the many 1-star reviews (would be zeros but can only go as low as 1 star).
Pros and Cons:
Bottom Line: No, I would not recommend this to a friend
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