With the Check Engine Light on, you know your vehicle needs some diagnostic work and repairs. If your professional scanner picks up the P2271 code, you know to look at the oxygen sensor, but how can ...

Sometimes the Check Engine Light can come on without any other symptoms occurring. While it can be tempting to keep driving, it’s important to stop and see what’s going on. It’s very possible that ...

Ah, the ever-helpful Check Engine Light, truly a wonder of modern car repair. Jokes aside, though, the CEL is a simple way to let you know something’s wrong, even if it doesn’t tell you exactly what’s ...

Department of Chemical Engineering, University of Rochester, Rochester, New York 14627, United States. Department of Chemical Engineering, University of Rochester, Rochester, New York 14627, United ...

Q:Hi James. I keep having an oxygen sensor fault code for a lean exhaust with my '97 Corvette. I've taken the vehicle to the dealer several times but the problem keeps recurring. I would like to try ...

With fuel prices rising, the need for accurate air/fuel mixture monitoring is more important than ever. The engine computer needs to know what the fuel mixture is with a high degree of precision so it ...