Your oxygen (O2) sensors are small but mighty — they help your engine run efficiently, cut emissions, and prevent costly damage. With the right OBD-II scanner and a bit of know-how, you can decode ...

The check engine light has always been a bit of a gamble. Sometimes it’s a loose gas cap. Other times, it’s a four-figure ...

Maintaining your car's engine air filters, spark plugs, tires, and oxygen sensors and ensuring they're all in good shape can ...

The average age of all vehicles on the road is rising, as are their ensuing repair costs. Today’s cars, trucks and SUVs are loaded with technology, none the least of which is an onboard diagnostic ...

With analog styling, advanced health tracking, and a month-long battery, the Withings ScanWatch Nova Brilliant feels more ...

The average cost to fix a "check engine" light is at a record high according to a newly released study from CarsMD. Its 2026 CarMD Vehicle Health Index report reveals that the average cost to ...

Inside the Army's Natick lab, scientists push gear to the brink — from fire to Arctic cold — to keep soldiers safer in the ...

Smarter fault detection: AI-assisted scanners and apps now analyze sensor data, run tests, and suggest targeted repairs instead of just listing codes. DIY tools expand: Bluetooth OBD2 adapters and ...

The Fitbit Air is a $100 smart band, and it will work with the relaunched Fitbit app, now called Google Health.

Where (and how) you wear your health tracker can impact your data accuracy. Here's what researchers say matters most.