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

The 2004 Mazda RX-8 arrived as a high-stakes bet that sports car buyers would still embrace a rotary engine in an era tightening around emissions, reliability and practicality. Mazda wrapped its ...

Knowing a few precise mechanic terms can turn a confusing estimate into a clear conversation and keep you from paying for work you do not need. By understanding what these 14 concepts actually mean, ...

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Door handles get a lot of use, and they’re often left off of weekly chore lists. The hardware is in contact with dirty, germy hands all day, and exterior handles are exposed to dirt, dust, pollen, and ...

PCWorld explains how to create an affordable CO2 air quality monitor using a Raspberry Pi and MH-Z19C sensor for under $40. This DIY project helps monitor indoor air quality since high CO2 levels ...

It’s important to regularly clean electric stovetop burners to prevent any stubborn soils from staining the cooktop. “Sugary spills can cause pitting on the cooktop surface if left uncleaned and ...