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Cleaning 02 Sensors? 

 

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 Post subject: Cleaning 02 Sensors?
Posted: Fri May 04, 2012 10:19 pm 
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I know that 02 sensors are pretty cheap to buy brand new but am just interested to know if they can be cleaned in order to improve fuel economy? If they can be cleaned successfully how is it done?

 

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 Post subject: Re: Cleaning 02 Sensors?
Posted: Sun May 13, 2012 12:36 am 
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revcore wrote:
I know that 02 sensors are pretty cheap to buy brand new but am just interested to know if they can be cleaned in order to improve fuel economy? If they can be cleaned successfully how is it done?


use some fine sand paper like 400 to 800 grit and give it a rub down

there either working on not

i used my bench grinder today with the wire brush came up a treat
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 Post subject: Re: Cleaning 02 Sensors?
Posted: Sun May 13, 2012 1:05 am 
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spend the coin and get a new one.

 

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 Post subject: Re: Cleaning 02 Sensors?
Posted: Sun May 13, 2012 9:16 am 
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Have heard that if you introduce a vacuum leak and drive it for a few k's and medium revs the
lean mixture will cause enough heat to burn of impurities from the sensor.

 

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 Post subject: Re: Cleaning 02 Sensors?
Posted: Sun May 13, 2012 10:14 am 
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EF_wanabe wrote:
revcore wrote:
I know that 02 sensors are pretty cheap to buy brand new but am just interested to know if they can be cleaned in order to improve fuel economy? If they can be cleaned successfully how is it done?


use some fine sand paper like 400 to 800 grit and give it a rub down

there either working on not

i used my bench grinder today with the wire brush came up a treat



Are you smoking crack?

I have read that soaking them in white vinegar overnight cleans them up well. But for $35 each on egay I just cant be f**k trying it.
New ones all the way.

 

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 Post subject: Re: Cleaning 02 Sensors?
Posted: Sun May 13, 2012 12:09 pm 
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EVL098 wrote:
EF_wanabe wrote:
revcore wrote:
I know that 02 sensors are pretty cheap to buy brand new but am just interested to know if they can be cleaned in order to improve fuel economy? If they can be cleaned successfully how is it done?


use some fine sand paper like 400 to 800 grit and give it a rub down

there either working on not

i used my bench grinder today with the wire brush came up a treat



Are you smoking crack?

I have read that soaking them in white vinegar overnight cleans them up well. But for $35 each on egay I just cant be f**k trying it.
New ones all the way.


crack seems to be the drug of choice on here lately...

lol.. sanding the 02 sensor will do f**k all, its only cleaning the surface area of the sensor casing..lol

i have used throttle body cleaner to clear the holes on a car that was burning excessive amounts of oil which clogged up the sensor..
otherwise if the engine is in good condition and is running rich ect, just replace it..
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 Post subject: Re: Cleaning 02 Sensors?
Posted: Sun May 13, 2012 12:20 pm 
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Are you smoking crack? quote
they have a life of about 100,000 ks,and polishing the outer case is a waste of time.using the wrong fuel also kills them,bite the bullet and replace it.

 

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 Post subject: Re: Cleaning 02 Sensors?
Posted: Sun May 13, 2012 1:26 pm 
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Anyone used one of these VDO ones before?
http://www.ebay.com.au/itm/280877232303 ... 1423.l2649

 

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 Post subject: Re: Cleaning 02 Sensors?
Posted: Sun May 13, 2012 2:01 pm 
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use this one i had good luck only ran 1 tank of gas till the car got into a fatality crash i want my sensor n mags BACK

http://www.ebay.com.au/itm/FORD-FALCON- ... 231d196663


also the polishing method was just a quick fix i did the same day as the OP , due to i am fixing up my EA and i got the 02 sensor error so i found one in the boot which i had a handful so i lightly polished it
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 Post subject: Re: Cleaning 02 Sensors?
Posted: Sun May 13, 2012 3:16 pm 
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hans hartman wrote:
Are you smoking crack? quote
they have a life of about 100,000 ks,and polishing the outer case is a waste of time.using the wrong fuel also kills them,bite the bullet and replace it.



Smartest thing I've seen in this thread.

It's a fair assumption to say that %90 of cars over 100 000km old have old, malfunctioning O2 sensors.
The simple advice to anyone with BF or older falcons is to just replace it.
It's one of those things that will pay for it self in saved fuel.

 

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 Post subject: Re: Cleaning 02 Sensors?
Posted: Mon May 14, 2012 12:33 pm 
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I've been reading of people having error codes with new oxygen sensors....Is that a common occurance?

 

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 Post subject: Re: Cleaning 02 Sensors?
Posted: Mon May 14, 2012 12:58 pm 
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revcore wrote:
I've been reading of people having error codes with new oxygen sensors....Is that a common occurance?



What code?

 

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 Post subject: Re: Cleaning 02 Sensors?
Posted: Mon May 14, 2012 1:03 pm 
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tickford_6 wrote:
revcore wrote:
I've been reading of people having error codes with new oxygen sensors....Is that a common occurance?



What code?


Not sure mate, I was reading that someone put a new O2 sensor in their EL Ghia and then they found an error code.
I don't know much about oxygen sensors so I'm trying to learn more about them.

 

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 Post subject: Re: Cleaning 02 Sensors?
Posted: Mon May 14, 2012 1:13 pm 
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they probably didnt clear the old code
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 Post subject: Re: Cleaning 02 Sensors?
Posted: Mon May 14, 2012 1:21 pm 
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So you have to clear a code when you replace the oxygen sensor?

 

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