Zak is new to the CarBuzz team, working as a freelance content writer. When Zak isn't writing How To articles for CarBuzz he's working as a high school automotive technology instructor. Before ...

Hello. I've had an ongoing problem with my 2008 Corvette for over a year. I have reoccurring fault codes of P0171 and P0174, fuel trim lean on bank one and two. I have had the car to four shops and ...

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” ...

There's a reason more of us aren't professional tuners. Most of us haven't dedicated our lives to making horsepower, improving drivability, or lowering elapsed times. The majority of us can do a good ...