Originally Posted by ElVee

Carfax can only tell you what it has been told, via insurance, police records, or service/dealerships that participate. And even then it's often limited to the detail the tech put in. I'd *guess* that most dealerships participate, so if the car was always brought to the dealer for work, it should show up.

Nothing beats having it fully inspected by a qualified mechanic. If everything checks out, there's not much reason to worry about it, so just start your own log book!