On a bitter morning, the urge to crank the heater and let a frozen car […] ...

Your engine is supposed to vibrate, just a little. But when the shaking gets harder to ignore, there’s probably something wrong.

Arizona, like much of the country, is experiencing a cold snap, unusually low temperatures that affect not only people, but their vehicles as well. And in Phoenix, where cold weather is less common, ...

It's a big day. You've finally installed that lumpy cam in your big-block street-stormer, and you're ready for the testdrive. The cam's all broken in, the timing and ...

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 ...

Truckers have been looking for ways to reduce heavy-duty truck idling, with its wasted fuel and engine wear and tear, since the 1940s. Idle-reduction technology has advanced from engine block heaters ...