Ignition coils last far longer than spark plugs and only need replacement when symptoms appear. Here’s how to tell if coils ...

Ignition coils sit at the center of every gasoline engine’s spark, yet they usually stay invisible until something goes wrong ...

[Dan] wanted to learn a bit about solid state ignition in engines; to get started he needed a test subject, so he decided he would upgrade his old 12 horsepower lawnmower. Originally the lawnmower ...

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

Ignition timing is easily the single most important tuning adjustment on an internal combustion engine and yet the concept of ignition curves continues to be elusive for many enthusiasts. Yet all it ...

If you’re driving a car that uses a physical key and it seems to be stuck in the ignition, the first thing to do is make sure your car’s in park—it won’t come out if you’re still in drive. If that’s ...

This belief is an ancient one — our oldest print sighting so far dates it to May 1960 when it appeared as the plot of one of the "Gus And The Model Garage" series run in Popular Science. Unlike the ...

A battery in a traditional car cannot directly create engine spark. It’s only rated at 12 volts, after all, so it needs a little help boosting the signal to the spark plugs. To make that happen, a car ...

Hyundai said the hardware update would be offered on nearly 4 million vehicles, while Kia said it covered about 3.1 million U ...

On March 29, 2019, Wall Street Journal readers were topping off their morning espressos and adjusting their power ties when they came across an article titled, "The Real Reason Porsche Ignitions Are ...

The California DMV is reminding drivers about new laws set to take effect in 2026 that aim to make roads safer. Here’s a ...