Last month, we kicked this series off by showing you how to save some money by diagnosing a bad MAP sensor rather than just chucking cash at new parts that may or may not fix a specific problem. This ...

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 ...

Dear Tom and Ray: This morning I went to my car to find that it had grown what appeared to be "hair" from the tailpipe. It was about 10 inches long and gray, with brown highlights. I had to get to ...

Today’s computerised engine control systems rely on inputs from a variety of sensors to regulate engine performance, emissions and other important functions. The sensors must provide accurate ...

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 ...

Apple has your health in mind when it comes to the Apple Watch, which is why it added a blood oxygen sensor starting with the Series 6. This technology can tell if you’re getting enough oxygen to your ...