The self-diagnosing capabilities of modern cars are often taken for granted, removing much of the guesswork when it comes to detecting mechanical or electrical faults. Typically, a modern car has ...

Q I drive a 2005 Toyota 4Runner SR5 with 85,000 miles on it. Other than routine repairs, the vehicle has been trouble-free for all the years I’ve owned it. About two months ago, the check engine light ...