An engine misfire can turn a smooth drive into a shaky, fuel-guzzling headache. From worn spark plugs to faulty ignition coils, the causes are many but often preventable. Knowing the signs and acting ...

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 ...

Neglect can do a lot of bad things to your car's engine. Not changing the oil as frequently as recommended is a surefire way to an expensive overhaul. If you've dealt with thick, gooey sludge before, ...