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1997 C280 location of o2 oxygen bank 1 sensor 1

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1997 C280 location of o2 oxygen bank 1 sensor 1

 
Old 04-06-2019, 11:01 PM
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1996 C280 145K Miles
1997 C280 location of o2 oxygen bank 1 sensor 1

Hello

I tried to search through threads and did not find any info on exact location of sensor 1 bank 1.

I know its pre catalyst but where is it?

Pictures also very welcome

Thanks

Last edited by af1981; 04-06-2019 at 11:04 PM.
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Old 04-06-2019, 11:13 PM
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Old 04-06-2019, 11:25 PM
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I did find this on google. Mine is I6 so Im not sure if I have bank 2. I have only one post catalyst sensor with would suggest my c280 might have only one pre catalyst sensore

Looking for someone who knows were it is and can help me where to find it.

Last edited by af1981; 04-07-2019 at 12:01 AM.
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Old 04-26-2019, 11:25 AM
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Old 04-26-2019, 12:20 PM
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Originally Posted by af1981 View Post
I did find this on google. Mine is I6 so Im not sure if I have bank 2. I have only one post catalyst sensor with would suggest my c280 might have only one pre catalyst sensore

Looking for someone who knows were it is and can help me where to find it.
Correct me if I'm wrong....
I believe, for the I6 there is one in front of the Cat (bank 1) and another after the cat (bank 2).
Above the exhaust, so you may have to drop it a tad for access.
If you plan on doing Bank 2, purchase an O2 sensor socket (eBay) as it's near impossible to remove it without using the tool.
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