The Oxygen Sensor (O2 sensor) is the "nose" of your engine’s computer. Positioned in your exhaust system, it constantly "smells" the exhaust gases to determine if the engine is burning fuel ...

We earn commissions from purchases you make using links in our articles. Learn more. Problems with catalytic converters are one of the most common causes of check engine lights, but they’re extremely ...

Until we live in a world of self-sustaining solar hydrogen vehicles with zero emissions (we can dream, yeah?), we’re stuck with a bunch of band-aids over the environmentally unfriendly problems we’ve ...

We may receive a commission on purchases made from links. Modern cars are designed to be more efficient and eco-friendly than ever. Automakers build vehicles with a wealth of advanced features to not ...

Oxygen sensors detect the amount of oxygen in the exhaust. Oxygen sensors usually don’t have a replacement schedule. A bad oxygen sensor can be diagnosed with a code reader or scan tool. A car’s ...

Why Replace A Faulty Oxygen Sensor? A faulty sensor cannot transmit accurate data to the car's computer, causing the engine to run unbalanced. An unbalanced engine either burns fuel with too much or ...

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 ...

Compare plans tailored to your car & budget. Catalytic converter replacement is a cost most car owners hope to avoid. Unfortunately, theft of this important car part has been more common in recent ...