If you've ever seen a port by your car's dashboard that can't charge your phone or provide auxiliary power from your vehicle's battery, there's a good chance that it is an OBD (On-Board Diagnostics) ...

View post: Amazon Has a ‘Reliable’ Anker Portable Power Station for 56% Off Autoblog may receive a share from purchases made via links on this page. Pricing and availability are subject to change.

At a time when vehicle diagnostics can demand a computer science degree, being able to get some insight into your engine health with nothing but a rag and a bit of know-how can be downright refreshing ...