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91 accord: oxygen sensor location?

Old Feb 20, 2009 | 04:14 PM
  #1  
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Default 91 accord: oxygen sensor location?

i need to change it, or at least clean it.
is it accesible from the engine compartment?

any tricks to taking it out?
 
Old Feb 20, 2009 | 04:23 PM
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You'll need an open ended wrench or an O2 sensor socket. It's right on the exhaust manifold. If you look down, between the radiator fans and the engine block, it's right there sticking out.
 
Old Feb 20, 2009 | 04:46 PM
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Originally Posted by finch13
You'll need an open ended wrench or an O2 sensor socket. It's right on the exhaust manifold. If you look down, between the radiator fans and the engine block, it's right there sticking out.
many thanks!
i am on it!
 
Old Mar 5, 2009 | 07:14 AM
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Originally Posted by finch13
You'll need an open ended wrench or an O2 sensor socket. It's right on the exhaust manifold. If you look down, between the radiator fans and the engine block, it's right there sticking out.
i cant find it!
(1991 accord)
is there another location or am i just being blind?
 
Old Mar 5, 2009 | 08:11 AM
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It's in the downpipe, shown as #27, pretty much where it joins from 2 into 1 pipe. Later years it's up in the manifold.
 
Old Mar 5, 2009 | 08:17 AM
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Originally Posted by JimBlake
It's in the downpipe, shown as #27, pretty much where it joins from 2 into 1 pipe. Later years it's up in the manifold.
thanks!
access from underneath then?
 
Old Mar 5, 2009 | 08:36 AM
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I never had a 91, but I guess it would be easier from underneath.
 
Old Nov 26, 2014 | 08:48 PM
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Default how do I disconnect the harness from the top or bottom

Originally Posted by JimBlake
I never had a 91, but I guess it would be easier from underneath.
im about to swap out my O2 sensor what is the easiest way to disconnect the harness from the top or the bottom ?
 
Old Nov 26, 2014 | 09:05 PM
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From the bottom.
 
Attached Thumbnails 91 accord: oxygen sensor location?-oxygen-sensor.jpg  
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