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 ...

Ignoring a check engine light might feel harmless if the car still runs smoothly, but the warning signals more than a minor inconvenience. Driving with that light on can lead to higher repair costs, ...