When the dreaded malfunction indicator light turns on, it’s not the end of the world. Here’s how to cope with an MIL!

One of the easiest ways to check if your camshaft sensor is faulty is by using an OBD-II scanner, which reads diagnostic ...

The check engine light means one of your car’s systems is malfunctioning. If it’s flashing, pull over as soon as you safely can. If it’s steady, follow these simple steps. Many, or all, of the ...

The dashboard of your car provides plenty of useful information while you're driving, from the speed you're traveling at to the amount of gas left in your tank. The check engine light is another ...

I had a test done at local auto-parts store that showed a code of PO138. They told me this indicates a problem with the oxygen sensor. I replaced the oxygen sensor and the light never went out. I ...

Modern cars are becoming more and more computerized, so much so that in 2010, CarMD.com, a provider of automotive diagnostic data, reported 675 different possible reasons for a check engine light to ...

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, ...

Big changes between high and low temperatures that happen in the fall can trigger an alert on your dashboard, one that may leave some drivers wondering what to do next. If you see a symbol that ...

Whether you know a lot about cars or nothing about them, it's never fun to see the check-engine light—also known as a malfunction indicator light (MIL). This is your car trying to tell you it has ...

Q: In my vehicle, the check engine light comes on and then goes off and it is now back on. I had a test done at local auto-parts store that showed a code of PO138. They told me this indicates a ...