news | Watchdog Why does it cost almost $1,000 to replace spark plugs on a BMW 5 series? Watchdog: Dallas man’s story unfolds like a melancholic country song about vanishing affordable car tune-ups.

Gasoline and diesel engines work on similar principles, but there are some important differences, including the fact that ...

Spark plugs go bad over time, so it's important to keep them fresh so your engine continues to run well. Inspecting spark plugs is also a good way to check on the health of your engine.

Spark plugs are critical to every gasoline engine, but not all plugs are created equal. This video explains the different ...

Diesel engines don’t have spark plugs; instead, they use the super-heated air created by their high compression ratios to ignite the diesel fuel as it’s injected into the cylinder.

ACDelco offers a variety of spark plug wire sets for a wide range of applications and vehicles. One of its most popular line of products is the Professional Spark Plug Wire Set, which is ...

A spark plug is a device that delivers electric current from the ignition to the combustion chamber of an engine to ignite the compressed mixture of air and fuel. All motorcycles, including those from ...

Cold spark plugs have shorter tips and dissipate heat from the cylinders faster. Fuel’s octane also plays a role in spark plug choice and gap, as does the engine’s compression ratio.

Multielectrode. These spark plugs are equipped with one central and several side electrodes; Plasma Ignition. In plasma ignition spark plugs, the body acts as a side electrode. Thanks to their design, ...

Spark plug indexing sometimes is necessary to avoid side-electrode contact with high-dome pistons. Moroso offers different thickness spark plug washer kits to do this. Some theorists claim ...

Your engine’s spark plugs are one of its smallest and most important, parts. We look at some of the best. The engine in your car, truck, or crossover operates on the simple principle of ...