Q: I have a 2007 Toyota RAV4 I bought from a large car dealer. After two months the "Check engine" light came on. The Toyota dealer said it was a defective oxygen sensor, which I had replaced. The ...

This could be a fault with the engine and/or transmission but it could just as easily be a fault with a sensor or even a poor earth or other electrical connection somewhere in the vehicle. Scanning ...

When the check engine light comes on in a vehicle, it’s indicating that there is some issue with the car that should be checked out. It could be something minor, such as the gas cap not being screwed ...

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, ...

While your car can’t talk, it communicates with you using chimes, icons, and messages. One icon that you should never ignore is the check engine light. It turns on when the car’s onboard computer ...

The dreaded check engine light has just flashed on on the dashboard of your car. Do you need to pull over right way? Is the car about to stop in its tracks? Why is the light on in the first place?