Q: I have begun to have a problem with my 2001 Ford Escape with the V-6 engine. It starts fine in the morning and runs OK for a few miles, and then it begins chugging and loping when I come to a stop.

Your engine feels calm at a stoplight because a hidden idle system keeps fuel, air, and spark in balance. That quiet stability is not luck, it is the result of sensors, valves, and software working ...

Your car, truck, or SUV – new or used – is one of the most expensive purchases you’ll ever make. It’s why you want to keep your vehicle at its best for as long as possible, because preserving value is ...