A car overheating in traffic but not at highway speed almost always has a cooling system problem involving airflow rather ...

While it’s normal for a car to be idling high when it’s first started, if the idle doesn’t drop to normal after a minute or two, something’s probably wrong. That initial temporary high idle, which is ...

If your car has started to feel like it’s doing a tiny “buzz” at idle or a faint shudder when you pull away from a stop, ...

When you were first learning how to drive a car, did you receive a particular warning from your instructor, or perhaps a friend or familiar member? Specifically, did they warn you not to leave your ...

Why does my 1994 Mazda 929’s engine intermittently rev or surge when I first start it? This could be something to do with the engine’s idle-air control valve which plays an important role in making ...

A truck idles when its engine runs without moving the vehicle. Trucks idle regularly throughout the course of a haul, and more than one million long-haul heavy-duty trucks idle during rest periods ...