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 ...

Hello. I've had an ongoing problem with my 2008 Corvette for over a year. I have reoccurring fault codes of P0171 and P0174, fuel trim lean on bank one and two. I have had the car to four shops and ...

Modern car engine control systems rely on input from several sensors to regulate the engine’s performance as well as its emissions and other vital functions. When these sensors fail to provide ...

We've all experienced a check engine light coming on, knowing that unless it's taken care of immediately, it'll be a nagging long-term problem in the back of our minds. It's one of the most important ...

Unscrewing a sensor and replacing it is pretty straightforward. You might need this special socket to clear the wires. Twelve years and more than 100,000 miles have passed under your trusty commuter ...

I've recently bought a pick-up (2000 Nissan Frontier 2wd 4 cyl). It has about 118k on the odometer, mostly highway miles. Engine runs good, transmission shifts well, etc. However, the gas mileage is ...

Understanding how oxygen sensors work will help you diagnose problems without having to rely completely on a repair shop. Oxygen sensors act as low-voltage producers, such as how a microphone uses ...