Q: I am shopping for a used car. What do you think about bringing along a computer scan tool to test the car before buying it? Do you think the dealer or private seller would mind? A: I think scanning ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? The check engine light by its nature is vague, just a general indication that ...

Q: You have mentioned a scan tool that was not overly expensive but bordered on something a professional would use. What kind was it? When I look online, there are many to choose from. A: Innova ...