dealsbluetooth obdii diagnostic scanner for $8.95

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You can get them on ebay for about the same price if it isn't available here. Keep in mind, it works with most 97 and newer vehicles that are OBDII. I use it with my Samsung Galaxy S3 running Torque. I can monitor all kinds of info on my cars, see what turned on the check engine light, and then clear those error codes. It's handy if you tend to work on your own cars, or you are the one people come to with questions about their cars.