Join EricTheCarGuy and Sue from 1A Auto in this informative 26-minute video as they diagnose and explain how to troubleshoot a misfire in cars and trucks. Learn about common misfire symptoms, including engine shaking, acceleration delays, and specific check engine codes. Discover the step-by-step diagnostic process for a 6-cylinder engine with coils and wires, understand the concept of companion/sister cylinders, and follow along as they demonstrate replacing spark plugs and ignition coils. Gain insights into performing compression tests and when to consider replacing all spark plugs and wires. Whether you're a seasoned mechanic or a curious car owner, this video offers valuable knowledge to help you identify and address misfire issues in your vehicle.