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 ...

An ignition coil takes voltage from the battery and multiplies it to create a spark at the spark plugs, which in turn ignites the engine. Cars have been using some form of the coil ignition system for ...

Autoblog aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Do you routinely struggle to get your car to start? Are you ...

When most drivers turn the key or press a button to start their vehicle, they’re probably not mentally going through everything that needs to happen in order for their engine to start. And while the ...

Don’t worry, it’s not just you. Everyone dropped their first, or likely fortieth, F-bomb when their dad had them hold the spark plug while he hit the kickstarter on their dirt bike. While it might ...

Your engine is simpler than you think and only four things separate it from becoming a good-for-nothing lump of aluminum: fuel, air, spark and compression. Smoke billowing from the back of your hoopty ...

Question: I have a 2006 Kia Sedona, and it randomly misfires roughly once for every week of normal driving and once after each carwash. When it happens, I pull over and shut off the car. Then, I turn ...

This spark plug tester features an innovative dual-socket design, allowing you to test two spark plugs simultaneously. By taking this approach, you can effectively compare the spark intensity of two ...