Can a PCV Valve Cause a Misfire?
Can a Bad PCV Valve Lead to Engine Misfires? ✅ Yes, a bad PCV (Positive Crankcase Ventilation) valve can cause a misfire by creating a vacuum leak, leading to an imbalanced air-fuel mixture. This results in rough idling, engine hesitation, and misfire codes. How a Bad PCV Valve Causes Misfires Symptoms of a Bad PCV…