Auto Oxygen Sensor Forester 22690-AA970 for Subaru  

Auto Oxygen Sensor Forester 22690-AA970 for Subaru  Production introduction:  Oxygen sensors are fairly easy to diagnose and replace. Typically, you cannot repair a faulty O2 sensor. It must be replaced because of the technology and materials in its housing. There are some DIY places that will tell you how to clean the sensor to get a few more miles out of it, but you’re only delaying the inevitable.  Oxygen sensor is the standard configuration of automobile. It uses ceramic sensitive element to measure the oxygen potential in the exhaust pipe of automobile, and calculates the corresponding oxygen concentration according to the principle of chemical balance, so as to monitor and control the combustion air-fuel ratio, so as to ensure the product quality and exhaust emission up to the standard. Product parameter(specification) place of origin: Zhejiang ,China…