Question about 1992 Saturn SL1
Where all O2 Sensors have been for 25 years
In both ends of the converter
Some times, just before converter in exhaust pipe
An O2 Sensor Code---Does Not mean it is bad or has to be replaced
The code indicates it went out of range
You need to find out why.
Then only if you test it, and it has failed,would you replace it.
Posted on Oct 07, 2010
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Posted on Jan 02, 2017
One is front of the cat, and one after the cat of the exhaust.
The OBD Scanner should tell you which bank is producing the error.
Bank one is the front one.
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Posted on Feb 21, 2009
SOURCE: location of oxygen sensors
I think there is more than two. Either way, they are located in the exhaust system. The pre-cat sensors are in the head pipes, just below the exhaust manifold, and then there will be one right behind the catalytic converter. You will need a 7/8 inch wrench or possibly a special O2 socket.
Posted on Apr 05, 2009
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