Problems with catalytic converters are one of the most common causes of check engine lights, but they’re extremely exp ...

Consumer Reports has no financial relationship with advertisers on this site. As snow, ice, or salt grime gathers on cars this winter, many of the sensors that are key to the operation of advanced ...

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 ...

A mass air flow sensor is one of the numerous tiny widgets and gewgaws that make up a modern automobile's electronic fuel injection system. In the MAF's case, it tells the car's computer how much air ...