X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from qmta04.emeryville.ca.mail.comcast.net ([76.96.30.40] verified) by logan.com (CommuniGate Pro SMTP 5.3.9) with ESMTP id 4485813 for flyrotary@lancaironline.net; Wed, 29 Sep 2010 09:10:44 -0400 Received-SPF: pass receiver=logan.com; client-ip=76.96.30.40; envelope-from=wschertz@comcast.net Received: from omta16.emeryville.ca.mail.comcast.net ([76.96.30.72]) by qmta04.emeryville.ca.mail.comcast.net with comcast id Cc0r1f0041ZMdJ4A4dA75e; Wed, 29 Sep 2010 13:10:07 +0000 Received: from WschertzPC ([71.57.77.95]) by omta16.emeryville.ca.mail.comcast.net with comcast id CdA51f00C23NHuF8cdA6U1; Wed, 29 Sep 2010 13:10:07 +0000 Message-ID: <1EAB7D90430E4264853BF8E99D2D2543@WschertzPC> From: "Bill Schertz" To: Subject: Auto tune/oxygen sensor Date: Wed, 29 Sep 2010 08:10:04 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0057_01CB5FAD.B88A1870" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8089.726 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8089.726 This is a multi-part message in MIME format. ------=_NextPart_000_0057_01CB5FAD.B88A1870 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable 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.=20 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?=20 Bill Schertz KIS Cruiser #4045 N343BS Phase I testing ------=_NextPart_000_0057_01CB5FAD.B88A1870 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Was going to do some auto tune in the = air=20 yesterday, to get to some regions of the performance map that can't be = reached=20 on the ground.
 
Took off and the O2 sensor indication = completely=20 disappeared from the EM-2 display. Did one circuit of the airport and=20 landed.
 
Discovered that the O2 sensor had = failed=20 (physically -- the top fell off and separated from the body). This = caused me to=20 raise the following questions.
 
1. I believe that the oxygen sensor = readout is only=20 that, not used by the EC-2 for control purposes.
2. When in auto tune, is the EM-2 = looking at the=20 sensor for indications of which way to adjust the mixture? If not, what = is the=20 feedback mechanism?
 
I went to the Auto parts store for a = replacement,=20 and ran into the problem that there are 100's of different oxygen = sensors, and=20 they need to know what car it came from. Anyone have the specs on what = this=20 sensor is?
 
 
Bill Schertz
KIS Cruiser=20 #4045
N343BS
Phase I testing
------=_NextPart_000_0057_01CB5FAD.B88A1870--