Why it matters: O2 sensors feed critical data to your ECU, helping maintain the ideal air-fuel ratio for performance, efficiency, and emissions control. Reading the signals: Healthy upstream sensors ...

My car’s horn only works when the steering wheel is upside down. The mechanic told me it would be $700 to fix and mentioned ...

Toyota's new electric family SUV and its iconic sports car both reached the mile-per-minute mark in 3.9 seconds. We should qualify that the Supra we're describing is the 382-hp turbo-six version with ...

Kia India is preparing to enter the premium three-row SUV segment with the Sorento hybrid, which has been spied testing near Delhi for the first time. The heavily camouflaged test mule indicates that ...

An electrochemical sensor developed at Oregon State University holds promise for making food quality testing faster, more accurate, more environmentally friendly, and less expensive. The novel sensor, ...

Toyota’s reputation for producing reliable, practical, and durable vehicles is backed up by decades of conservative engineering and consistent quality control. As the automaker develops its lineup of ...

The more snow, the better for Teradar, a Boston startup that’s building new technology for military and civilian vehicles. The company’s still-in-development sensor can “see” objects and pedestrians ...

The Hilux is Toyota’s top-selling pickup globally and one of the most popular pickups in the world. For its ninth generation, Toyota is adding an all-electric version for the first time. Toyota ...

One of the most important measurements we make while tuning an engine is finding out what the actual balance of air and fuel was inside the engine. It doesn’t matter if we have a carburetor, port ...

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard the term “wideband O2 sensor” being thrown around at the track, dyno ...

I live in New Jersey, one of the states that mandates inspection for all vehicles newer than 1995. My daily driver, a Jeep Cherokee, happens to be a 1996 model year with an OBD-II sensor, meaning I ...