A knock sensor is an engine management component in modern internal combustion engines. It is designed to detect the sound of knocking or pinging in the engine, indicating an engine problem such as ...

Modern vehicles rely on a massive amount of electrical systems, sensors, and control modules to keep the wheels turning. Some of those devices are well-known, like your car's main computer or engine ...

I live in New Jersey, one of the states that mandates inspection for all vehicles newer than 1995. My daily driver, a Jeep Cherokee, happens to be a 1996 model year with an OBD-II sensor, meaning I ...

Finding a trustworthy repair shop is one of the most important parts of keeping your vehicle properly serviced. It can be a challenge, but CR’s expert guidance can help you size up service facilities ...

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 ...

TPMS (Tire Pressure Monitoring System) sensors monitor the air pressure in a vehicle's tires and alert the driver when the pressure drops below a certain level. They are designed to increase road ...