A clogged silencer and fuel screw adjustments bring the engine to life. With a clean spark plug and proper idle speed regulation, the Honda Dio AF 27 is running smoothly again.

No matter what injection system your car has, it's subject to carbon buildup over time. Here are some ways to prevent and clean carbon buildup in your engine.

Your spark plug cables play a vital role in your vehicle's performance, but they do need to be replaced periodically. Here's what's recommended.

Your car's spark plugs aren't something you typically think about during regular maintenance, but they do need to be changed. How often should you do it?

Spark plugs play a pivotal role in your vehicle's performance, but can changing them improve fuel economy? Here's everything you need to know.