Tag: 234-4621 O2 Sensor

  • What does the 234-4621 O2 Sensor do in the 02 Civic?

    The 02 Civic, as a classic small car, is popular in the market for its reliability and economy. In the context of today's ever-increasing environmental protection and fuel economy requirements, vehicle emission control and engine performance are particularly important. 234-4621 O2 Sensor (oxygen sensor), as a key part of the engine management system, plays an…