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Review title: It Works
Product review: The Equus 3030 OBD II did what it's supposed to do. It gave me 2 problem codes on a Mazda MPV. I am not a mechanic so the P---- explanations on the manual have to be presented to your repair shop. It seems the problem is the catalytic converter or the oxygen sensor. The vehicle is 8 years old. Hopefully that is the only problem. I tested it on a car that has no "check engine" light on and it gave me nothing.The shipping was fine. It arrived within a few days.4 stars because I do not know how reliable this product is. Maybe after 10 years and I'm still using it, I'd come to this review and add another star.
