After more than a decade of accumulating smart plugs, speakers and sensors, I realized parts of my setup were quietly ...

Here are 2025's most popular questions and answers from The Journal's Car Doctor column, from rotating tires to oil changes.

In this video, learn to test spark plugs and ignition coils for a BMW using a specialized test kit. Discover how to identify ...

While standard receptacles typically use three wires -- hot, neutral and ground -- you'll occasionally find 2-prong outlets in older homes. Since this type of outlet lacks a ground connection, the ...

Place a thermometer inside a glass of water, place the glass on the middle shelf of the refrigerator and let it sit for at ...

Engine cylinders can misfire due to problems with the ignition system, the fuel system, air and compression, or sensors and ...

The way you endorse a check depends on how you want to use the check Kiara Taylor has worked as a financial analyst for more than a decade. Her career has involved a number of financial firms, ...

Most drivers learn about car parts the hard way by ordering the wrong component twice. Consulting a specialist can prevent ...

A: When it comes to vehicles, there are no truly watertight seals on every opening. Doors have drains that allow water that ...