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 ...

Idling and stalling problems can really add stress to your daily commute. The most common culprit is carbon buildup on the throttle body, exhaust gas recirculation (EGR) valve and idle air control ...

Modern engines contain dozens of sensors and controllers, most of which behave well over the life of the vehicle and never have to be replaced. But every once in a while there’s a bad apple that can ...