Auto Oxygen Sensor RAV4 89467-42020 for Toyota 

Auto Oxygen Sensor RAV4 89467-42020 for Toyota Production introduction:   Oxygen sensors are one of the most critical components of a modern engine because of their role in controlling the fuel-injection system and emissions coming from the tailpipe. Here’s a primer to help understand these sensors and their functions. 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(mainland)     Brand name…