One of the questions I am most frequently asked is about idle speed control; idling is too fast, too slow or erratic. An engine might idle too fast because of an intake air leak, but it can be due to ...

Intro: A graph of your car’s idle speed shouldn’t resemble architectural plans for a new Cedar Point roller coaster. Once the car warms up to normal operating temperature, it should run in a smooth ...

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 ...