We tested popular wideband O₂ controllers against lab-grade equipment to see how accurate their lambda readings really are under real engine conditions.

Eric Fossum, the inventor of the modern CMOS sensor and longtime friend of DPReview, was recently awarded the Draper Prize ...

A tiny sensor that detects hazardous head impacts the instant they occur could reshape safety monitoring in sports, ...

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard ...

Stop struggling with stuck O2 sensors. Find out why a specialist socket kit is a better investment than a standard wrench for your next car repair.

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 ...

Matt Carey, the co-founder and CEO of Boston-based startup Teradar, loves when people tell him: “I don’t believe you.” That’s “right where we want folks,” he recently told TechCrunch. Carey has spent ...

We may receive a commission on purchases made from links. One tool you'll find stashed in all the best electrician's tool backpacks is a multimeter. Most modern multimeters are of the digital variety, ...

This year, Tridhara Akalbodhan has gone a step further with Dhwani, a 12-foot-tall brass sculpture weighing 150kg that merges mythology with cutting-edge technology. Shaped like a golden serpent, the ...

Tuning a stock, EEC-IV engine control module on a Fox Mustang is like trying to stream Netflix on a dial-up connection — outdated, inflexible, and likely to leave you screaming into the void. For me, ...