13 Signs & Symptoms of a Bad PCV Valve (Only Mechanics Know)

Is your car acting up? It might be the PCV valve! In this video, we dive into the 13 symptoms of a bad PCV valve, with insights from a professional mechanic. Learn how to spot the signs of a failing PCV valve, including symptoms like engine misfires, smoke, unusual noises, and more. We’ll also cover common issues like clogged or leaking PCV valves and how they can impact your vehicle's performance. Whether you're dealing with a 5.7 Hemi or another engine type, this guide will help you understand what a bad PCV valve can cause and how to address it.