Tire shops have turned a once simple errand into a surprisingly technical decision point: when you buy a fresh set of rubber, should you also spring for new tire pressure sensors hiding inside each ...

Do tire pressure sensors use individual batteries (that may last only 10 years) rather than the car’s electrical system? Could such a battery replacement cost about $85 for each wheel? What about ...

Q: My tire pressure monitor light is constantly on for one or more of the original tires on my 2009 Subaru Impreza with 40,000 miles. We love the car and plan on keeping it as long as possible. My ...

A TPMS (Tire Pressure Monitoring System) sensor is a device that is installed in a vehicle's tires to monitor the air pressure and temperature of the tires. The primary function of the TPMS sensor is ...

Federal regulations have required some sort of computerized tire-pressure monitoring system in new cars since the 2007 model year. Most of these are active types that employ a sensor mounted to each ...