When a modern car suddenly loses power, refuses to shift properly, and crawls along at city speeds, it is usually not “dying” but protecting itself. Manufacturers program the engine and transmission ...

When your Cummins goes into limp mode (aka low-power mode or safe mode), it's the truck's way of telling you something's wrong, while still letting you crawl to safety. It restricts speed and power to ...

You might have heard of cars going into "limp mode," but what exactly is it? And how do you get a car in limp mode ...