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 ...

A frustrating misfire with no diagnostic codes leads to an unexpected discovery. One spark plug reveals what was hiding ...

DAYTON, Ohio (WDTN) — If you’re experiencing engine misfiring or performance issues with your vehicle, it might not be your car’s fault. Poor gasoline quality can result in a blockage building up in ...

John Paul, AAA Northeast's Car Doctor, answers a question from a reader hoping to inexpensively solve a misfire issue in an SUV. The Car Doctor answers a question from a reader hoping to inexpensively ...

If you have a classic, vintage, or otherwise old car, you've probably heard of the distributor that it features. It's part of the ignition system that transfers current from the battery to the ...

General Motors is currently investigating reports of an occasional misfire affecting vehicles equipped with the 3.0L I6 LZ0 turbodiesel Duramax engine. According to preliminary details outlined in a ...

GM's 2.7L TurboMax engine is a great example of how automakers are favoring downsizing and turbocharging in favor of high cylinder counts and large capacities these days. The engine, which was ...