My Engine Was Running on 3 Cylinders - Quick Misfire Diagnosis and Fix

Ignition diagnosis on Alfas can seem intimidating, especially when it comes to a misfiring or a rough-idling engine. My tip: start simple! In this video I demonstrate the easiest way to tell if your spark plugs need to be replaced, or if you have a more complex issue with your ignition system. I also review how to assess old plugs for non-ignition, and how to gap new spark plugs. Enjoy!
Spark plug torque - 25 ft-lbs
Spark plug gap - 0.025 inch