Posts Tagged: cylinder misfire diagnosis

How to Diagnose an Engine Misfire Like a Pro

7 Most Common Causes of Engine Misfires — and How to Fix Each One Quick Summary When you notice engine misfire symptoms like rough idling, shaking under acceleration, flashing check-engine light, or poor fuel economy, you must act quickly. An engine misfire happens when a cylinder fails to ignite fuel correctly. The most common causes of engine misfires include: 1) Worn spark plugs 2) Bad ignition coil 3) Wrong air/fuel mixture 4) Faulty/clogged fuel injector 5) Vacuum leak 6) Mass airflow issue/carboned throttle body 7) Mechanical problem Article A Misfiring … Read More