Our entire lives are run through — and directed by — our smartphones, so it only makes sense that your car’s diagnostics would live there, too. Thanks to Bluetooth technology, wireless OBD2 scanners ...

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I’ve picked seven of the best Bluetooth-connected scanners that plug into a car’s OBD2 socket and put them against each other in a mega test of diagnostics. Here are the best Bluetooth OBD2 scanners.