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 ...

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 ...

Keeping your tires in check is easier now more than ever. With TPMS sensors in place, your car tells you if pressure is out of whack and even gives a live reading of tire pressure in some cases. With ...

The lifetime warranty on that new car part sounds sweet. There are limits to what those warranties cover, though, and they ...

You're sitting in your car, perhaps waiting at a red light, when your eyes wander across the instrument panel. Among the buttons, vents, and dashboard warning lights, there's a small unmarked circle ...

Your engine needs a steady stream of clean air to function properly, and it's the job of the mass air flow (MAF) sensor to measure and regulate the amount of clean air entering the intake. The engine ...

It all started with Gran Turismo. From those early PlayStation days, Sean was drawn to anything with four wheels. Prior to joining the Roadshow team, he was a freelance contributor for Motor Authority ...