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Should work OK, Mark. The narrow band O2 sensors are
pretty much the same except some have a heater element and a signal ground and
some don't. The single wire O2 sensor has no heater element just the
sensing element - so makes it pretty tough to miswire it {:>). So yes,
just about any of the "Universal" single wire O2 sensors should work with no
problem.
Ed
Sent: Wednesday, September 29, 2010 9:31 AM
Subject: [FlyRotary] Re: Auto tune/oxygen sensor
Bill,
Funny you would post this. Last weekend I was attempting auto-tune
without much success. I noticed that the O2 bar was off the bottom of the
scale. No amount of tweaking of the mixture knob would bring it
back. Attempts to auto-tune would result in overly rich
mixtures. I had decided that the O2 sensor must have failed, but didn't
have time to remove it.
I will take my old one down to Auto Zone and try to match it to
another. If it is a narrow-band sensor, it is my understanding
that they all work on the same basic principle. So, if it has
the proper threads, and a single wire, I don't see why it
shouldn't work. That's how I initially picked the one I have been using
for the last 200 hours. Anyone see a flaw in my logic?
Mark S.
On Wed, Sep 29, 2010 at 8:10 AM, Bill Schertz <wschertz@comcast.net>
wrote:
Was going to do some auto tune in the air
yesterday, to get to some regions of the performance map that can't be reached
on the ground.
Took off and the O2 sensor indication completely
disappeared from the EM-2 display. Did one circuit of the airport and
landed.
Discovered that the O2 sensor had failed
(physically -- the top fell off and separated from the body). This caused me
to raise the following questions.
1. I believe that the oxygen sensor readout is
only that, not used by the EC-2 for control purposes.
2. When in auto tune, is the EM-2 looking at the
sensor for indications of which way to adjust the mixture? If not, what is the
feedback mechanism?
I went to the Auto parts store for a replacement,
and ran into the problem that there are 100's of different oxygen sensors, and
they need to know what car it came from. Anyone have the specs on what this
sensor is?
Bill Schertz
KIS Cruiser
#4045
N343BS
Phase I
testing
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