I’m the original owner of a 2002 Toyota RAV4. It has about 135,000 miles on it. It’s the best car I’ve ever owned. A few months ago, my check engine light went on. The car was running fine, but after ...

For most drivers, an oil change is a quick, hassle-free service that typically puts you out no longer than an hour and costs you (give or take) a hundred bucks. But even if you're perfectly on top of ...