Air fuel ratios, emissions, and others: oxygen (O2) sensor, exhaust gas temperature sensor (EGT), nitrogen oxide sensor (NOx), knock sensor The video illustrates how each sensor communicates with the ...

Oh it has been a while since my last update, which was almost 10 months ago. Life has been very busy lately. Got married, ...

The catalytic converter in your car's exhaust system has a complex emissions-related job to perform. Placed between the engine and the muffler, it reduces the amounts of the three primary pollutants ...

Drivers who clear a check-engine light only to see it return days or weeks later are not dealing with a glitch. Federal ...

Buying a used car often feels like a race against time and other buyers. Shiny photos, low prices, and “great condition” ...

When the check engine light comes on, you may hesitate taking it to a mechanic who will charge you for a non-problem. Learn ...

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Owning a car in 2026 is more expensive than it has ever been. Insurance premiums continue to rise, fuel costs remain ...

Well, in the case of the 2009 BMW 3 Series, specifically one with an N52 engine under the hood, you're getting the best of ...

Shop 2015 Mercedes-Benz C-Class for sale at Cars.com. Research, compare, and save listings, or contact sellers directly from 275 2015 C-Class nationwide.

Gilbert Smith is an automotive journalist with over five years of specialized research and writing experience. Before joining CarBuzz in 2024, he produced in-depth buyer’s guides and feature articles ...

Aaron Tilley is a former reporter covering all things Apple in The Wall Street Journal’s San Francisco bureau. He previously served as the Microsoft and enterprise technology reporter at the Journal.