Live-Data Misfire Diagnosis Using OBD Scan Tools (Stop Guessing, Start Proving)
Most people still treat a misfire like it’s 1998: “It’s shaking, so it must be a spark plug.” Sometimes you get lucky. Most times, you just waste money. Modern engines don’t misfire in isolation. They misfire inside a tightly controlled system. This system constantly corrects fuel, monitors crank speed, and adapts to airflow. The real