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 ...

I inherited my elderly dad’s 1998 Lexus ES300 a few years ago. It has only about 65,000 miles on it and I’ve never had any major engine problems. But starting about a year ago, it occasionally stalls ...

Cleaning the idle air control valve (IACV) on your vehicle periodically helps keep carbon and other particles from building up on the valve, which can negatively affect the operation of the car.