All OBD scanners are not created equal. And right now (Dec. 3 through Dec. 10), you can save 15% on the standout Carly Scanner. Once paired with the Carly app, this unit goes beyond diagnostics of ...

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Simply’s more sophisticated reader is easy to use, with a colour screen and a usefully long 77cm cable, meaning you don’t need to kneel next to the footwell in cars with awkward port locations. The ...