An engine misfire with no diagnostic codes can be frustrating to track down. In this video, we investigate a mysterious misfire and discover the surprising condition of the spark plug that finally ...

Cylinder misfires can turn a smooth commute into a rough, fuel‑wasting slog, and they almost always leave a trail of diagnostic clues if you know where to look. I focus on four of the most common ...

One of the joys of buildingan engine is firing it up for the first time, something we recently experienced with Project RX-8’s new Renesis rotary (the details of which you’ll find later in this issue) ...