In my 35-plus years of working on cars, I have encountered nearly every frustrating troubleshooting problem in the book. Part of the issue stems from my affinity for old Jeeps and classic cars, which ...

Dear Doctor: I own a very low mileage 2000 Toyota Corolla with 37,400 miles. It is used mostly for local city driving. The “check engine” light came on and the code read “lean condition.” The mechanic ...