An OBD-II scan tool is an incredibly useful automotive diagnostic device, but it's not magic. Here's what it can and can't do.

When the check-engine light snaps on, it is not a suggestion, it is your car’s way of saying something in the powertrain or emissions system needs attention. I see it as an early warning system that ...

A p0440 error code can mean several different things, ranging from a loose gas tank cap to a major emissions leak, a bad ...

Sony's long-awaited entry into the 200MP smartphone camera game is finally here. The new Lytia 901 sensor has been made official today, and it will go head-to-head with Samsung's 200MP offerings. Sony ...

We named this one of the best Bluetooth options in our recent comparison test because it takes the headache out of diagnostics in a compact device. It pairs deep scanning capabilities with an app that ...

From dough whisks to bench scrapers — our tested favorites are essential for baking great bread. As Food & Wine's Testing Editor, Jennifer's work focuses on finding the best tools for all sorts of ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...

Synthesis of nanostructured cubic phase SnO 2 thin film and its trace-level sensing of CO gas This study presents a cubic phase SnO 2 thin film gas sensor with ultra-high CO sensitivity and 1 ppb ...

Car trouble got you down? When diagnosing a problem in any modern vehicle, your first plan of attack should be to check under the steering wheel. Then plug in a diagnostic tool to your OBD2 port and ...

Get a $160 OBD2 Scanner for $23 This Black Friday, Plus More Deals on Other Scan Tools Walmart is running great deals on basic and professional-grade OBD2 scan tools this Black Friday and Cyber Monday ...