The catalytic converter in your car's exhaust system has a complex emissions-related job to perform. Placed between the engine and the muffler, it reduces the amounts of the three primary pollutants ...

Air fuel ratios, emissions, and others: oxygen (O2) sensor, exhaust gas temperature sensor (EGT), nitrogen oxide sensor (NOx), knock sensor The video illustrates how each sensor communicates with the ...

When the check engine light comes on, you may hesitate taking it to a mechanic who will charge you for a non-problem. Learn ...

Gearheads love a good car mod, but they're often more trouble than they're worth when it comes to causing vehicle problems or ...

Car maintenance can be expensive, but there are some instances where you should be replacing car parts in pairs to ensure ...

Buying a used car often feels like a race against time and other buyers. Shiny photos, low prices, and “great condition” ...

With high gas prices and the summer travel season upon us, the National Institute for Automotive Service Excellence (ASE) ...

In the perfect scenario, your engine operates with an air-fuel mixture – or stoichiometric ratio – that is exactly 14.7 parts air for every one part gasoline. This is the goldilocks zone where ...

It's worth noting that the Fitbit Air and the Fitbit Inspire 3 boast similar health tech, consisting of an optical heart rate sensor, accelerometer, gyroscope, blood oxygen sensor and skin temperature ...

If your oxygen level drops below 92%, seek medical help immediately. Low oxygen can cause symptoms like chest pain, confusion, and shortness of breath. Without treatment, low oxygen levels can lead to ...