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.

This library lets you interact with almost any vehicles through the OBDII (On-Board Diagnostics II) port. Connect through an OBDII adapter via USB, Bluetooth, WiFi, or Ethernet to monitor sensors, ...

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