Engine Rough Idle: Causes and Solutions
Quick Answer:A rough idle is often caused by vacuum leaks, a dirty or faultyidle air control valve(IAC),worn spark plugs, or clogged fuel injectors. Start diagnosis with an OBD2 scan for codes, check for vacuum leaks, and inspect plugs and the IAC. Many fixes are DIY-friendly and cost under $200. It was a cold December morning … Read more