Scotty Kilmer, mechanic for the last 46 years, shows you what it means if your car's check engine light comes on. And, If you like my car help, be sure to watch my live car talk show every Saturday morning at 10 AM CST on YouTube. I answer your car questions LIVE there. Just check it out at https://www.youtube.com/watch?v=VognjkYaMjg&list=UUuxpxCCevIlF-k-K5YU8XPA&feature=c4-overview . And remember, every TUESDAY I upload a new video, so don't miss them.