Discover what an OBD2 scanner is and how to use it to diagnose and fix car problems before they escalate into major repairs.

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Reading and understanding OBD2 trouble codes today couldn't be easier. This is partly because of tools like Innova's Digital CAN OBD2 Code Reader.

The BlueDriver OBD2 scan tool is on sale at Amazon for $80, and shoppers say it’s an ‘easy plug-and-play’ solution.

Already an affordable option, right now you can save over $25 on this diagnostic code reader from trusted brand Ancel.