Question: I took your advice and purchased a diagnostic scanner. I’ve been playing with it and trying to make sense of some of the things on the data list. I remember you saying that the “fuel trims” ...

Last month we fielded a question about a fault code a reader had been trying to repair for more than a year. To recap, the Corvette in question, a ’96 model, had a recurring P0171 code, or “System Too ...