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Your inexpensive OBD-II scanner can tell you more than why the check-engine light is on

An OBD-II scanner can do much more than read check-engine codes. These five features can help you diagnose problems faster ...
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Five of the best OBD-II scanners for DIY mechanics

We may receive a commission on purchases made from links. The OBD acronym stands for on-board diagnostics, a system built into modern vehicles that monitors the performance of the engine and other ...