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

While most engines have the same number of spark plugs and cylinders, some four-cylinder blocks have two plugs for each ...

Around the world, automakers and their suppliers are working to make motor vehicles environmentally friendlier. The strictest standards have been set for markets in Europe and the United States. The ...

August 27, 2007 General Motors has eliminated the spark from the engine cycle in a bold and challenging effort to produce a powerplant that delivers the fuel efficiency of a diesel with the low ...

Mazda Motor Corporation's new Sustainable Zoom-Zoom 2030 technology development strategy includes its petrol compression ignition engine which it will call Skyactiv-X and launch in 2019. It will be a ...

If you want a car that's enjoyable to drive, you owe it to yourself to swing by the Mazda dealership. Every vehicle the company builds gets an added dose of sporty driving character. But Mazda has ...

Whether you service your own ignition or need more troubleshooting savvy for road rallies and cruising, this month's lesson focuses on spark and ignition system basics. Understanding ignition ...

Mazda’s new range of Skyactiv-X engines under development are set to replace the current Skyactiv-G range in 2019. They use compression ignition technology that has previously only been used in diesel ...