Your car's computer uses data from the O2 sensors to determine the effectiveness of the catalytic converter and how much fuel to inject. So they're critical pieces. Luckily, replacing one is ...

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 ...

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 ...

The whip is a 2003 Ford Ranger 3.0 V6 Flex-Fuel.<BR><BR>Recently got a check engine light, error codes point to a bad O2 sensor.<BR><BR>Sensor 1, Bank 1. From the ...