CAT Cleaning and O2 sensor without removing - Toyota Yaris Forums

mik36 · 11-07-2021, 07:40 AM

Hi All

I am looking for a method that enable to clean cat and o2 sensor
without removing it.

I dont have any codes.

Its just preventive maintenance.

I have seen vaccum hose connected with injector cleaner on some cars then start car with 1500rpm

but i amnot sure where and is it ok for 1NRFE engine

Can some one pls share this experince

Any advise would be highly appreciated.

11-07-2021, 07:40 AM	#1
mik36 Drives: VERSO S Join Date: Jul 2021 Location: Bromsgrove Posts: 39	CAT Cleaning and O2 sensor without removing Hi All I am looking for a method that enable to clean cat and o2 sensor without removing it. I dont have any codes. Its just preventive maintenance. I have seen vaccum hose connected with injector cleaner on some cars then start car with 1500rpm but i amnot sure where and is it ok for 1NRFE engine Can some one pls share this experince Any advise would be highly appreciated.

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