A 2026 Ram 1500 owner in New York just documented a Hemi V8 check engine light at 2 months. We scrutinize why early 5.7L ...

In 2026, the gap between professional diagnostics and DIY capability has narrowed significantly, thanks to a new generation of Bluetooth OBD2 scanners and smartphone apps that cost less than a tank of ...

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 ...

BMW only explored an E46 M3 Touring by way of a concept, but a UK specialist is now producing 50 of them. UK-based Petroyle is producing 50 hand-built E46 BMW M3 Touring wagons, never factory-made by ...

The fact that so many people have built their own M3 Tourings when BMW wouldn’t shows just how popular the idea always was. Ever since the first concept was shown (and driven) at the turn of the ...

Virgin Media O2 (VMO2) has flicked the switch on O2 Satellite, a satellite-to-mobile service powered by Starlink Direct to Cell, in a move that extends the operator’s landmass coverage from 89% to 95% ...

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 ...

The E46 BMW 3 Series might look like an evolution of the E36, but its journey from sketch to reality is worth a look. Which BMW 3 Series is the best 3 Series? You’ll probably hear the ...

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 ...

Withings’ long-awaited U-Scan, the smart-health device that analyzes your urine from inside your toilet bowl, is finally available to order globally. The device, which first wowed us at CES in January ...

The China Intelligence: What open sources tell us about Chinese forces, weapons, and strategy. The People's Liberation Army is building an “invisible net” across the western Pacific, a five-layer, ...