What Is The Best Way To Clean An Oxygen Sensor

Posted in Oxygen Sensors | Asked on Aug 7, 2010

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.