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 ...

The Nature Index 2025 Research Leaders — previously known as Annual Tables — reveal the leading institutions and countries/territories in the natural and health sciences, according to their output in ...

We may receive a commission on purchases made from links. Modern cars are designed to be more efficient and eco-friendly than ever. Automakers build vehicles with a wealth of advanced features to not ...

The O2 sensor is placed on the exhaust right before the cat. There is only one. You can find the connector that goes to the ECU right behind the bottom side panel that covers the frame, among other ...

There’s much to like about the Subaru Forester compact crossover SUV, including its smooth ride, standard all-wheel drive, and a comfortable and roomy cabin. However, the Forester isn’t completely ...

Modern vehicles are pretty complicated pieces of tech. Apart from emissions and other vital functions, the engine control system relies heavily on several sensors to regulate performance. That is ...

Subaru Corporation has stopped shipment of the 2022 Subaru Forester, 2022 Outback, and Levorg models manufactured in Japan. A report from U.S. News says an engine sensor malfunction will temporarily ...

I bought the 2010 turbo diesel Forester three years ago. The previous owner had problems with the DPF. I took it to a diesel mechanic to have the filter cleaned and have not had a problem since. I ...

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