An OBD2 scanner that can read your vehicle’s trouble codes is a critical tool for DIYers. But even if you don’t like turning wrenches yourself, it’s hugely helpful to be able to get an idea of what’s ...

Cicpap OBD2 Diagnostic Scan Tool, $23 (was $90) at Walmart Get it! The scanner connects easily to your car’s OBD2 port, typically found just below the steering wheel.

This $90 OBD2 diagnostic scan tool is on sale for just $23 at Walmart, and shoppers love how “easy to use” it is.