If your Check Engine light is constantly trying to get your attention, one possible problem could be a bad O2 sensor. If you do have a failed oxygen sensor, follow these steps to replace it.

Unscrewing a sensor and replacing it is pretty straightforward. You might need this special socket to clear the wires. Twelve years and more than 100,000 miles have passed under your trusty commuter ...

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 ...

One of the most common sensor issues you may encounter is with your car's TPMS sensor, but is it a sensor that you can replace by yourself?

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 ...

Since a bad sensor doesn’t always trigger the check-engine light — and some of the same symptoms could be caused by other problems in the fuel or ignition systems — sensors should be tested ...

The ABS sensor on your Toyota Corolla reads if the wheels are spinning and in case they block during braking, it will send a signal to the ABS’s computer to reduce the braking force on the wheel ...

I found that having to replace the sensor is rare, but is indeed a costly repair. But here’s the thing: The warning lights come on intermittently, shutting off for several days before reappearing.