A classic Car Talk diagnosis is derived from our hosts' intimate knowledge of modern automotive systems and their failure points, plus a healthy dose of finger-crossing in the hopes that the caller doesn't add that one last detail that flushes an otherwise elegant diagnosis right down the tubes. Listen as Click and Clack circle the bowl on this episode of the Best of Car Talk.Get access to hundreds of episodes in the Car Talk archive when you sign up for Car Talk+ at plus.npr.org/cartalk Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy