Posts Tagged: high idle causes

Why Your Engine Has a Rough Idle and How to Fix It for Good

The Real Causes of Rough Idle and High Idle Quick Summary The root cause of a rough idle or high idle is almost always extra air getting into the engine or the computer losing control of airflow at idle. Vacuum leaks, carbon buildup in the throttle body, and idle air control problems account for the vast majority of rough idle and high idle complaints. Fixing the airflow problem first saves time, money, and frustration. Article Rough Idle or High Idle? How to Diagnose and Fix Both Problems the Right Way … Read More