What Is The Best Way To Clean An Oxygen Sensor

Posted in Oxygen Sensors
  • I got a po420 trouble code on my 1996 Toyota Tercel and was told to first try cleaning the oxygen sensor.

    There are 4 Answers for "What Is The Best Way To Clean An Oxygen Sensor"

    1. pbleek says:

      You don’t clean it you replace it, they are inexpensive enough. By the time you take it out, you may as well install a new one.

    2. Eduardo S says:

      Look for an Oxygen Sensor safe cleaning spray at your local auto parts like: Seafoam Deep Creep

    3. Garrett says:

      http://www.obd-codes.com/p0420 ^(http://www.carparts21.com/goto/http://www.obd-codes.com/p0420)
      Read that webpage
      P0420 Catalyst System Efficiency Below Threshold (Bank 1)

    4. STEVEN F says:

      If a clean rag won’t work, you don’t want to clean it. Replacing it is actually EASIER than cleaning it.