Don't let failing oxygen sensors compromise your engine's performance. O2 sensors are critical to emissions control on your car, SUV or truck. As the name implies, the O2 sensor (also called an ...

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 ...