All about check engine light
Also, because national chains' mechanic shops are usually large and efficient, you will probably be seen quickly and your repairs will be done in less time than it might take a smaller shop. The premium you pay for faster service is a higher bill. Your second option is to find a local independent mechanic. Independent shops may take a little longer to do your repairs because they may need to order more parts and may have fewer mechanics available to do the work. They also have more variable quality than a national chain: You could find someone brilliant, or you could find a shyster.