Re: !984 505 XN6 O2 sensor
From: jonmccurry (jonmccurry@hotmail.com)
Date: Sun 03 Mar 2002 - 05:52:48 EST
No type of "preventative maintenance" that you can do for an oxygen
sensor, replacing it is the only thing there is to do. They will
last a certain length of time before they start to deteriorate, a
poorly running engine makes them deteriorate quicker because of the
exhaust content. Oxygen sensors have a service interval they should
be replaced by (kind of like filters do), partly because it is
sometimes difficult to tell when one is beginning to go bad. When
they go bad, they start to become sluggish in changes in their
output, they also may become inaccurate after they go bad. They are
a way of measuring how rich or lean the engine is running, and the
ECU makes small [hopefully they are small] adjustments to the mixture
based on the oxygen sensor's output.
PugNut.
--- In peugeot-L@y..., KLebrija1@a... wrote:
> I read a lot of posts on the list that refer to the 02
sensor. What
> does a bad 02 sensor do? Is there any sort of servicing that one
can do on
> their sensor, or does one just have to buy a new one?
> Ken
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