Any advice or tip cleaning oxygen o2 sensors?

Hello, maybe someone can give some advice on cleaning oxygen/lambda sensors as I suspect its playing with my revs.

I suspect oxygen sensors problem because I had it before with fault code and it was doing the same thing! I had head gasket blown, I changed sensor before realized that! and with antifreeze emissions I believe i have damaged it (I read that this is the easiest way to damage it), but there is no fault codes on dash.



I have:

Changed coils

Spark plugs

Cleaned maf

Cleaned throttle

Changed ccv

Changed vcg



I read that oxygen sensors can be cleaned by heating up with gas torch and than washed with petrol/gas.



Here will be video of revs jumping



http://ift.tt/1gCgvwE









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